{
 "name": "Qubit Tracker",
 "description": "The quantum computers built and announced: how many qubits, of what kind, how well they hold, who can use them — every figure from the maker’s own page, with its day.",
 "url": "https://quantum.world/tracker/systems",
 "publisher": "Quantum.world",
 "licence": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 },
 "credit": "Quantum.world, Qubit Tracker (https://quantum.world/tracker/systems), CC BY 4.0",
 "note": "Every value was read on the maker's own page, with the day; `checked` says whether a machine found it printed there. A field a page does not give is absent, never zero; `unconfirmed` says why.",
 "generated_at": "2026-11-02T15:33:07.612Z",
 "fields": [
  {
   "key": "announced",
   "label": "Announced",
   "kind": "date"
  },
  {
   "key": "modality",
   "label": "Modality",
   "kind": "enum"
  },
  {
   "key": "physical_qubits",
   "label": "Physical qubits",
   "kind": "number",
   "unit": "qubits"
  },
  {
   "key": "logical_qubits",
   "label": "Logical qubits",
   "kind": "number",
   "unit": "qubits"
  },
  {
   "key": "fidelity_2q",
   "label": "Two-qubit gate fidelity",
   "kind": "percent"
  },
  {
   "key": "fidelity_1q",
   "label": "One-qubit gate fidelity",
   "kind": "percent"
  },
  {
   "key": "system_metric",
   "label": "The maker’s own metric",
   "kind": "record"
  },
  {
   "key": "availability",
   "label": "Access",
   "kind": "list"
  },
  {
   "key": "status",
   "label": "Status",
   "kind": "enum"
  }
 ],
 "entries": [
  {
   "slug": "256-qubit-superconducting-quantum-computer",
   "name": "256-qubit superconducting quantum computer",
   "url": "https://quantum.world/tracker/systems/256-qubit-superconducting-quantum-computer",
   "maker": "Fujitsu",
   "updated_at": "2026-10-23T11:37:28.830234+00:00",
   "values": {
    "announced": {
     "value": "2025-04-22",
     "text": "22 April 2025",
     "source": "https://info.archives.global.fujitsu/global/about/resources/news/press-releases/2025/0422-01.html",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://info.archives.global.fujitsu/global/about/resources/news/press-releases/2025/0422-01.html",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 256,
     "text": "256 qubits",
     "unit": "qubits",
     "source": "https://info.archives.global.fujitsu/global/about/resources/news/press-releases/2025/0422-01.html",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://global.fujitsu/-/media/Project/Fujitsu/Fujitsu-HQ/technology/research/quantum/fujitsu_hybrid_quantum_computing_platform_en.pdf?hash=DC42784FA2FDD1FAE9CD34B83B3AFC81&rev=e9ec2fd765494456bfd0c7d13bea851d",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The cited maker pages do not report a demonstrated logical-qubit count, a quantum error-correction code, or a paper demonstrating logical qubits for this system."
    },
    {
     "field": "fidelity_2q",
     "why": "The cited maker pages do not print a two-qubit gate fidelity with a named statistic."
    },
    {
     "field": "fidelity_1q",
     "why": "The cited maker pages do not print a one-qubit gate fidelity with a named statistic."
    },
    {
     "field": "system_metric",
     "why": "The cited maker pages do not report a named system-level metric such as quantum volume or #AQ."
    },
    {
     "field": "status",
     "why": "two readings disagree: available and announced"
    }
   ]
  },
  {
   "slug": "ac1000",
   "name": "AC1000",
   "url": "https://quantum.world/tracker/systems/ac1000",
   "maker": "Atom Computing",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2023-10-24",
     "text": "24 October 2023",
     "source": "https://atom-computing.com/quantum-startup-atom-computing-first-to-exceed-1000-qubits/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "neutral-atom",
     "text": "Neutral atom",
     "source": "https://atom-computing.com/ac1000/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 1200,
     "text": "1,200 qubits",
     "unit": "qubits",
     "source": "https://atom-computing.com/ac1000/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "logical_qubits": {
     "value": 28,
     "text": "28 qubits",
     "unit": "qubits",
     "source": "https://arxiv.org/abs/2411.11822",
     "read_on": "2026-10-16",
     "checked": true
    },
    "fidelity_2q": {
     "value": 99.6,
     "text": "99.6%",
     "source": "https://atom-computing.com/ac1000/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "fidelity_1q": {
     "value": 99.9,
     "text": "99.9%",
     "source": "https://atom-computing.com/ac1000/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "on-premise"
     ],
     "text": "On-premise",
     "source": "https://atom-computing.com/quantum-computing-technology/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://atom-computing.com/quantum-computing-technology/",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "The official AC1000 pages do not print a named system-level metric such as quantum volume or #AQ."
    }
   ]
  },
  {
   "slug": "advantage",
   "name": "Advantage",
   "url": "https://quantum.world/tracker/systems/advantage",
   "maker": "D-Wave",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2020-09-29",
     "text": "29 September 2020",
     "source": "https://www.dwavequantum.com/company/newsroom/press-release/d-wave-announces-general-availability-of-first-quantum-computer-built-for-business/",
     "read_on": "2026-10-20",
     "checked": true
    },
    "modality": {
     "value": "annealer",
     "text": "Annealer",
     "source": "https://docs.dwavequantum.com/en/latest/concepts/index.html",
     "read_on": "2026-10-20",
     "checked": false
    },
    "physical_qubits": {
     "value": 5000,
     "text": "5,000 qubits",
     "unit": "qubits",
     "source": "https://www.dwavequantum.com/company/newsroom/press-release/d-wave-announces-general-availability-of-first-quantum-computer-built-for-business/",
     "read_on": "2026-10-20",
     "checked": true
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://www.dwavequantum.com/company/newsroom/press-release/d-wave-announces-general-availability-of-first-quantum-computer-built-for-business/",
     "read_on": "2026-10-20",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://www.dwavequantum.com/company/newsroom/press-release/d-wave-announces-general-availability-of-first-quantum-computer-built-for-business/",
     "read_on": "2026-10-20",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "the reading gave a value this register cannot hold"
    },
    {
     "field": "logical_qubits",
     "why": "The maker's pages do not print a demonstrated logical-qubit count together with a code and paper for Advantage."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker's pages do not print a two-qubit gate fidelity for Advantage."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker's pages do not print a one-qubit gate fidelity for Advantage."
    }
   ]
  },
  {
   "slug": "advantage2",
   "name": "Advantage2",
   "url": "https://quantum.world/tracker/systems/advantage2",
   "maker": "D-Wave",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-05-20",
     "text": "20 May 2025",
     "source": "https://www.dwavequantum.com/company/newsroom/press-release/d-wave-announces-general-availability-of-advantage2-quantum-computer-its-most-advanced-and-performant-system/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "annealer",
     "text": "Annealer",
     "source": "https://www.dwavequantum.com/company/newsroom/press-release/d-wave-announces-general-availability-of-advantage2-quantum-computer-its-most-advanced-and-performant-system/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 4400,
     "text": "4,400 qubits",
     "unit": "qubits",
     "source": "https://www.dwavequantum.com/company/newsroom/press-release/d-wave-announces-general-availability-of-advantage2-quantum-computer-its-most-advanced-and-performant-system/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "cloud",
      "on-premise"
     ],
     "text": "Cloud, On-premise",
     "source": "https://www.dwavequantum.com/company/newsroom/press-release/d-wave-announces-general-availability-of-advantage2-quantum-computer-its-most-advanced-and-performant-system/",
     "read_on": "2026-10-16",
     "checked": false
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://www.dwavequantum.com/company/newsroom/press-release/d-wave-announces-general-availability-of-advantage2-quantum-computer-its-most-advanced-and-performant-system/",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "not found on the maker’s own pages"
    },
    {
     "field": "logical_qubits",
     "why": "The cited maker page does not state a demonstrated logical-qubit count or identify an error-correction code and paper for one."
    },
    {
     "field": "fidelity_2q",
     "why": "The cited maker page does not print a two-qubit gate fidelity or a named statistic for one."
    },
    {
     "field": "fidelity_1q",
     "why": "The cited maker page does not print a one-qubit gate fidelity or a named statistic for one."
    }
   ]
  },
  {
   "slug": "aquila",
   "name": "Aquila",
   "url": "https://quantum.world/tracker/systems/aquila",
   "maker": "QuEra Computing",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2022-11-01",
     "text": "1 November 2022",
     "source": "https://www.quera.com/press-releases/queras-quantum-computer-aquila-now-available-on-amazon-braket",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "neutral-atom",
     "text": "Neutral atom",
     "source": "https://www.quera.com/aquila",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 256,
     "text": "256 qubits",
     "unit": "qubits",
     "source": "https://www.quera.com/aquila",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://www.quera.com/aquila",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://www.quera.com/press-releases/queras-quantum-computer-aquila-now-available-on-amazon-braket",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The maker's Aquila pages do not state a demonstrated logical-qubit count."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker's Aquila pages do not print a two-qubit gate fidelity with a named statistic."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker's Aquila pages do not print a one-qubit gate fidelity with a named statistic."
    },
    {
     "field": "system_metric",
     "why": "The maker's Aquila pages do not state a quantified, named system metric for Aquila."
    }
   ]
  },
  {
   "slug": "aurora",
   "name": "Aurora",
   "url": "https://quantum.world/tracker/systems/aurora",
   "maker": "Xanadu",
   "updated_at": "2026-10-24T18:15:10.938761+00:00",
   "values": {
    "announced": {
     "value": "2025-01-22",
     "text": "22 January 2025",
     "source": "https://www.xanadu.ai/press/xanadu-introduces-aurora-worlds-first-scalable-networked-and-modular-quantum-computer",
     "read_on": "2026-10-19",
     "checked": true
    },
    "modality": {
     "value": "photonic",
     "text": "Photonic",
     "source": "https://www.xanadu.ai/press/xanadu-introduces-aurora-worlds-first-scalable-networked-and-modular-quantum-computer",
     "read_on": "2026-10-19",
     "checked": null
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://www.xanadu.ai/press/xanadu-introduces-aurora-worlds-first-scalable-networked-and-modular-quantum-computer",
     "read_on": "2026-10-19",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "physical_qubits",
     "why": "read on a page that is not the maker’s own"
    },
    {
     "field": "availability",
     "why": "read on a page that is not the maker’s own"
    },
    {
     "field": "logical_qubits",
     "why": "The paper describes implementing the foliated distance-2 repetition code with real-time decoding, but does not state a demonstrated logical-qubit count for Aurora."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker’s Aurora announcement and paper do not print a two-qubit gate fidelity."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker’s Aurora announcement and paper do not print a one-qubit gate fidelity."
    },
    {
     "field": "system_metric",
     "why": "The maker does not print a named system-level metric for Aurora. The paper’s 86.4 billion modes refers to a cluster-state demonstration, not a machine metric."
    }
   ]
  },
  {
   "slug": "belenos",
   "name": "Belenos",
   "url": "https://quantum.world/tracker/systems/belenos",
   "maker": "Quandela",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-05-22",
     "text": "22 May 2025",
     "source": "https://www.quandela.com/about-us/newsroom/belenos-the-worlds-most-powerful-photonic-quantum-computer-launched-by-quandela/",
     "read_on": "2026-10-20",
     "checked": true
    },
    "modality": {
     "value": "photonic",
     "text": "Photonic",
     "source": "https://www.quandela.com/about-us/newsroom/belenos-the-worlds-most-powerful-photonic-quantum-computer-launched-by-quandela/",
     "read_on": "2026-10-20",
     "checked": null
    },
    "physical_qubits": {
     "value": 12,
     "text": "12 qubits",
     "unit": "qubits",
     "source": "https://www.quandela.com/about-us/newsroom/belenos-the-worlds-most-powerful-photonic-quantum-computer-launched-by-quandela/",
     "read_on": "2026-10-20",
     "checked": true
    },
    "fidelity_2q": {
     "value": 99,
     "text": "99% %",
     "unit": "%",
     "source": "https://www.quandela.com/products-and-services/belenos/",
     "read_on": "2026-10-20",
     "checked": true
    },
    "fidelity_1q": {
     "value": 99.6,
     "text": "99.6% %",
     "unit": "%",
     "source": "https://www.quandela.com/products-and-services/belenos/",
     "read_on": "2026-10-20",
     "checked": true
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://www.quandela.com/products-and-services/belenos/",
     "read_on": "2026-10-20",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "not found on the maker’s own pages"
    },
    {
     "field": "availability",
     "why": "not found on the maker’s own pages"
    },
    {
     "field": "logical_qubits",
     "why": "The maker’s pages do not print a demonstrated logical-qubit count for Belenos or identify a code and paper demonstrating one."
    }
   ]
  },
  {
   "slug": "borealis",
   "name": "Borealis",
   "url": "https://quantum.world/tracker/systems/borealis",
   "maker": "Xanadu",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2022-06-01",
     "text": "1 June 2022",
     "source": "https://www.xanadu.ai/blog/beating-classical-computers-with-Borealis",
     "read_on": "2026-10-20",
     "checked": true
    },
    "modality": {
     "value": "photonic",
     "text": "Photonic",
     "source": "https://www.xanadu.ai/blog/beating-classical-computers-with-Borealis",
     "read_on": "2026-10-20",
     "checked": null
    },
    "physical_qubits": {
     "value": 216,
     "text": "216 squeezed-state qubits",
     "unit": "squeezed-state qubits",
     "source": "https://www.xanadu.ai/blog/beating-classical-computers-with-Borealis",
     "read_on": "2026-10-20",
     "checked": true
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://www.xanadu.ai/press/xanadu-launches-first-public-cloud-deployed-computer-with-quantum-computational-advantage",
     "read_on": "2026-10-20",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The maker's pages consulted do not print a demonstrated logical-qubit count for Borealis."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker's pages consulted do not print a two-qubit gate fidelity for Borealis."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker's pages consulted do not print a one-qubit gate fidelity for Borealis."
    },
    {
     "field": "system_metric",
     "why": "The maker's pages consulted do not print a named system metric for Borealis; the reported runtime is for a specific demonstration task, not a system metric."
    },
    {
     "field": "status",
     "why": "two readings disagree: retired and available"
    }
   ]
  },
  {
   "slug": "cepheus-1-108q",
   "name": "Cepheus-1-108Q",
   "url": "https://quantum.world/tracker/systems/cepheus-1-108q",
   "maker": "Rigetti",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://investors.rigetti.com/news-releases/news-release-details/rigetti-announces-general-availability-108-qubit-system",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 108,
     "text": "108 qubits",
     "unit": "qubits",
     "source": "https://www.rigetti.com/what-we-build",
     "read_on": "2026-10-16",
     "checked": true
    },
    "fidelity_2q": {
     "value": 98.72,
     "text": "98.72%",
     "source": "https://www.rigetti.com/",
     "read_on": "2026-10-16",
     "checked": false
    },
    "system_metric": {
     "value": [
      {
       "name": "T1 Lifetime",
       "value": 28
      },
      {
       "name": "T2 Lifetime",
       "value": 12
      }
     ],
     "text": "{\"name\":\"T1 Lifetime\",\"value\":28}, {\"name\":\"T2 Lifetime\",\"value\":12}",
     "unit": "µs",
     "source": "https://www.rigetti.com/",
     "read_on": "2026-10-16",
     "checked": false
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://investors.rigetti.com/news-releases/news-release-details/rigetti-computing-reports-first-quarter-2026-financial-results",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://investors.rigetti.com/news-releases/news-release-details/rigetti-announces-general-availability-108-qubit-system",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The cited Rigetti system pages do not print a demonstrated logical-qubit count together with an error-correction code and paper."
    },
    {
     "field": "announced",
     "why": "two readings disagree: 2026-01-09 and 2026-04-07"
    },
    {
     "field": "fidelity_1q",
     "why": "two readings disagree: 99.86 and 99.85"
    }
   ]
  },
  {
   "slug": "condor",
   "name": "Condor",
   "url": "https://quantum.world/tracker/systems/condor",
   "maker": "IBM",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2023-12-04",
     "text": "4 December 2023",
     "source": "https://www.ibm.com/quantum/blog/quantum-roadmap-2033",
     "read_on": "2026-10-20",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://www.ibm.com/quantum/blog/quantum-roadmap-2033",
     "read_on": "2026-10-20",
     "checked": null
    },
    "physical_qubits": {
     "value": 1121,
     "text": "1,121 qubits",
     "unit": "qubits",
     "source": "https://www.ibm.com/quantum/blog/quantum-roadmap-2033",
     "read_on": "2026-10-20",
     "checked": true
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://www.ibm.com/quantum/blog/quantum-roadmap-2033",
     "read_on": "2026-10-20",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "This page does not print a demonstrated logical-qubit count for Condor."
    },
    {
     "field": "fidelity_2q",
     "why": "This page does not print a two-qubit gate fidelity for Condor; it only says its performance is comparable to Osprey."
    },
    {
     "field": "fidelity_1q",
     "why": "This page does not print a one-qubit gate fidelity for Condor."
    },
    {
     "field": "system_metric",
     "why": "This page does not print a named system metric for Condor."
    },
    {
     "field": "availability",
     "why": "The page does not state how users can access Condor specifically; its general access statement does not identify Condor."
    }
   ]
  },
  {
   "slug": "crystal-54-emerald",
   "name": "Crystal 54 (Emerald)",
   "url": "https://quantum.world/tracker/systems/crystal-54-emerald",
   "maker": "IQM",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-08-05",
     "text": "5 August 2025",
     "source": "https://iqm.tech/blog/new-on-iqm-resonance-iqm-emerald-almost-3x-qubits-for-the-same-reliable-quality/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://iqm.tech/products/iqm-resonance/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 54,
     "text": "54 qubits",
     "unit": "qubits",
     "source": "https://iqm.tech/products/iqm-resonance/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "fidelity_2q": {
     "value": 99.5,
     "text": "99.5%",
     "source": "https://iqm.tech/products/iqm-resonance/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "fidelity_1q": {
     "value": 99.93,
     "text": "99.93%",
     "source": "https://iqm.tech/technology/qpu/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://iqm.tech/products/iqm-resonance/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://iqm.tech/products/iqm-resonance/",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The maker's cited pages do not state a demonstrated logical-qubit count together with a code and paper for IQM Emerald."
    },
    {
     "field": "system_metric",
     "why": "two readings disagree: [{\"name\":\"Quantum volume\",\"value\":64},{\"name\":\"CLOPS (circuit layer operations per second)\",\"value\":2550},{\"name\":\"Q-score\",\"value\":24}] and [{\"name\":\"Quantum volume\",\"value\":64},{\"name\":\"Q-score\",\"value\":24}]"
    }
   ]
  },
  {
   "slug": "eagle",
   "name": "Eagle",
   "url": "https://quantum.world/tracker/systems/eagle",
   "maker": "IBM",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2021-11-16",
     "text": "16 November 2021",
     "source": "https://newsroom.ibm.com/2021-11-16-IBM-Unveils-Breakthrough-127-Qubit-Quantum-Processor",
     "read_on": "2026-10-20",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://www.ibm.com/quantum/blog/eagle-quantum-processor-performance",
     "read_on": "2026-10-20",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "availability",
     "why": "the reading gave a value this register cannot hold"
    },
    {
     "field": "logical_qubits",
     "why": "I found no maker page stating a demonstrated logical-qubit count together with the code and paper."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker discusses Eagle two-qubit gate fidelities but does not print a numerical two-qubit gate fidelity in percent with a named statistic."
    },
    {
     "field": "fidelity_1q",
     "why": "I found no maker page printing a numerical one-qubit gate fidelity in percent with a named statistic."
    },
    {
     "field": "status",
     "why": "two readings disagree: retired and available"
    },
    {
     "field": "system_metric",
     "why": "its line was not found on its page, and a second reading did not confirm it"
    },
    {
     "field": "physical_qubits",
     "why": "the figure is not printed in its sentence (a sum or a figure the page does not give)"
    }
   ]
  },
  {
   "slug": "forte-enterprise",
   "name": "Forte Enterprise",
   "url": "https://quantum.world/tracker/systems/forte-enterprise",
   "maker": "IonQ",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2023-09-27",
     "text": "27 September 2023",
     "source": "https://www.ionq.com/news/ionq-unveils-forte-enterprise-and-tempo-rack-mounted-enterprise-grade",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "trapped-ion",
     "text": "Trapped ion",
     "source": "https://ionq.com/quantum-systems/forte-enterprise",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 36,
     "text": "36 qubits",
     "unit": "qubits",
     "source": "https://ionq.com/quantum-systems/forte-enterprise",
     "read_on": "2026-10-16",
     "checked": true
    },
    "fidelity_2q": {
     "value": 99.6,
     "text": "99.6% percent",
     "unit": "percent",
     "source": "https://www.ionq.com/quantum-systems/compare",
     "read_on": "2026-10-16",
     "checked": true
    },
    "fidelity_1q": {
     "value": 99.98,
     "text": "99.98% percent",
     "unit": "percent",
     "source": "https://www.ionq.com/quantum-systems/compare",
     "read_on": "2026-10-16",
     "checked": true
    },
    "system_metric": {
     "value": [
      {
       "name": "#AQ",
       "value": 36
      }
     ],
     "text": "{\"name\":\"#AQ\",\"value\":36}",
     "source": "https://ionq.com/quantum-systems/forte-enterprise",
     "read_on": "2026-10-16",
     "checked": null
    },
    "availability": {
     "value": [
      "cloud",
      "on-premise"
     ],
     "text": "Cloud, On-premise",
     "source": "https://ionq.com/quantum-systems/forte-enterprise",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://ionq.com/quantum-systems/forte-enterprise",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The cited maker pages do not state a demonstrated logical-qubit count together with an error-correction code and paper."
    }
   ]
  },
  {
   "slug": "gemini",
   "name": "Gemini",
   "url": "https://quantum.world/tracker/systems/gemini",
   "maker": "QuEra Computing",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-03",
     "text": "March 2025",
     "source": "https://www.quera.com/about",
     "read_on": "2026-10-16",
     "checked": false
    },
    "modality": {
     "value": "neutral-atom",
     "text": "Neutral atom",
     "source": "https://www.quera.com/gemini",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 260,
     "text": "260 qubits",
     "unit": "qubits",
     "source": "https://www.quera.com/gemini",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "on-premise"
     ],
     "text": "On-premise",
     "source": "https://www.quera.com/ai-info-page",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://www.quera.com/ai-info-page",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "the reading gave a value this register cannot hold"
    },
    {
     "field": "fidelity_2q",
     "why": "The Gemini page lists “Global 2-Qubit\nGate Fidelity\n\n99.2%” but does not name a statistic such as median, average, or best, as this field requires."
    },
    {
     "field": "fidelity_1q",
     "why": "The Gemini page lists “Global 1-Qubit\nGate Fidelity\n\n99.9%” and “Local 1-Qubit\nGate Fidelity\n\n99.7%” but does not name a statistic such as median, average, or best, as this field requires."
    },
    {
     "field": "logical_qubits",
     "why": "the figure is not printed in its sentence (a sum or a figure the page does not give)"
    }
   ]
  },
  {
   "slug": "helios",
   "name": "Helios",
   "url": "https://quantum.world/tracker/systems/helios",
   "maker": "Quantinuum",
   "updated_at": "2026-10-23T15:18:04.80155+00:00",
   "values": {
    "announced": {
     "value": "2025-11-05",
     "text": "5 November 2025",
     "source": "https://www.quantinuum.com/press-releases/quantinuum-announces-commercial-launch-of-new-helios-quantum-computer-that-offers-unprecedented-accuracy-to-enable-generative-quantum-ai-genqai",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "trapped-ion",
     "text": "Trapped ion",
     "source": "https://docs.quantinuum.com/systems/_static/assets/data_sheets/Quantinuum%20Helios%20Product%20Data%20Sheet.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 98,
     "text": "98 qubits",
     "unit": "qubits",
     "source": "https://docs.quantinuum.com/systems/_static/assets/data_sheets/Quantinuum%20Helios%20Product%20Data%20Sheet.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "logical_qubits": {
     "value": 48,
     "text": "48 qubits",
     "unit": "qubits",
     "source": "https://www.quantinuum.com/blog/skinny-logic-quantum-codes-go-on-a-diet",
     "read_on": "2026-10-23",
     "checked": true
    },
    "fidelity_2q": {
     "value": 99.921,
     "text": "99.921%",
     "source": "https://www.quantinuum.com/press-releases/quantinuum-announces-commercial-launch-of-new-helios-quantum-computer-that-offers-unprecedented-accuracy-to-enable-generative-quantum-ai-genqai",
     "read_on": "2026-10-16",
     "checked": true
    },
    "fidelity_1q": {
     "value": 99.9975,
     "text": "99.9975%",
     "source": "https://www.quantinuum.com/press-releases/quantinuum-announces-commercial-launch-of-new-helios-quantum-computer-that-offers-unprecedented-accuracy-to-enable-generative-quantum-ai-genqai",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "cloud",
      "on-premise"
     ],
     "text": "Cloud, On-premise",
     "source": "https://www.quantinuum.com/press-releases/quantinuum-announces-commercial-launch-of-new-helios-quantum-computer-that-offers-unprecedented-accuracy-to-enable-generative-quantum-ai-genqai",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://www.quantinuum.com/press-releases/quantinuum-announces-commercial-launch-of-new-helios-quantum-computer-that-offers-unprecedented-accuracy-to-enable-generative-quantum-ai-genqai",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "The reviewed maker pages do not give a numeric, named machine-level metric for Helios. The reported benchmark results describe particular runs, not a fixed system metric."
    }
   ]
  },
  {
   "slug": "helium",
   "name": "Helium",
   "url": "https://quantum.world/tracker/systems/helium",
   "maker": "Alice & Bob",
   "updated_at": "2026-10-25T12:41:20.372374+00:00",
   "values": {
    "announced": {
     "value": "2026-06-10",
     "text": "10 June 2026",
     "source": "https://alice-bob.com/newsroom/alice-bob-unveils-first-quantum-system/",
     "read_on": "2026-10-16",
     "checked": false
    },
    "modality": {
     "value": "bosonic",
     "text": "Bosonic (superconducting)",
     "source": "https://alice-bob.com/platform/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "physical_qubits": {
     "value": 18,
     "text": "18 qubits",
     "unit": "qubits",
     "source": "https://alice-bob.com/platform/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "system_metric": {
     "value": [
      {
       "name": "Z gate fidelity in 26.5 ns",
       "value": 94.2
      }
     ],
     "text": "{\"name\":\"Z gate fidelity in 26.5 ns\",\"value\":94.2}",
     "unit": "%",
     "source": "https://alice-bob.com/platform/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "availability": {
     "value": [
      "on-premise"
     ],
     "text": "On-premise",
     "source": "https://alice-bob.com/newsroom/alice-bob-unveils-first-quantum-system/",
     "read_on": "2026-10-16",
     "checked": false
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://alice-bob.com/platform/",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The maker describes one logical qubit as “in the making”; it does not report a demonstrated logical qubit with a code and paper for Helium."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker's Helium specifications do not print a two-qubit gate fidelity."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker reports 94.2% for a named Z gate, not a general one-qubit gate fidelity."
    }
   ]
  },
  {
   "slug": "heron",
   "name": "Heron",
   "url": "https://quantum.world/tracker/systems/heron",
   "maker": "IBM",
   "updated_at": "2026-11-02T05:23:44.193966+00:00",
   "values": {
    "announced": {
     "value": "2023-12-04",
     "text": "4 December 2023",
     "source": "https://newsroom.ibm.com/2023-12-04-IBM-Debuts-Next-Generation-Quantum-Processor-IBM-Quantum-System-Two,-Extends-Roadmap-to-Advance-Era-of-Quantum-Utility",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://quantum.cloud.ibm.com/learning/en/courses/quantum-business-foundations/quantum-technology",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 156,
     "text": "156 qubits",
     "unit": "qubits",
     "source": "https://quantum.cloud.ibm.com/docs/en/guides/processor-types",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://www.ibm.com/quantum/hardware",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://www.ibm.com/quantum/hardware",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The IBM pages reviewed do not specify a demonstrated logical-qubit count for Heron. IBM reports a 70-logical-qubit demonstration elsewhere, but does not identify Heron as the processor used."
    },
    {
     "field": "fidelity_2q",
     "why": "IBM reports a median two-qubit error rate of 1.17E-3 for Heron r3, not a two-qubit fidelity in percent. Do not convert the error rate into fidelity."
    },
    {
     "field": "fidelity_1q",
     "why": "The IBM pages reviewed do not print a one-qubit gate fidelity in percent with a named statistic."
    },
    {
     "field": "system_metric",
     "why": "two readings disagree: [{\"name\":\"median two-qubit error rate\",\"value\":0.00117}] and [{\"name\":\"EPLG\",\"value\":0.0037},{\"name\":\"Throughput (MCPS)\",\"value\":3.9}]"
    }
   ]
  },
  {
   "slug": "ibex-q1",
   "name": "IBEX Q1",
   "url": "https://quantum.world/tracker/systems/ibex-q1",
   "maker": "AQT",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-11-18",
     "text": "18 November 2025",
     "source": "https://www.aqt.eu/wp-content/uploads/2025/11/PA_AQT_Amazon-2025-11-18-EN-1.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "modality": {
     "value": "trapped-ion",
     "text": "Trapped ion",
     "source": "https://www.aqt.eu/wp-content/uploads/2025/11/PA_AQT_Amazon-2025-11-18-EN-1.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://www.aqt.eu/wp-content/uploads/2025/11/PA_AQT_Amazon-2025-11-18-EN-1.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://www.aqt.eu/wp-content/uploads/2025/11/PA_AQT_Amazon-2025-11-18-EN-1.pdf",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "physical_qubits",
     "why": "The AQT pages consulted do not print a physical-qubit count for IBEX Q1 as one number."
    },
    {
     "field": "logical_qubits",
     "why": "The AQT pages consulted do not report a demonstrated logical-qubit count with a code and paper."
    },
    {
     "field": "fidelity_2q",
     "why": "The AQT pages consulted do not print a two-qubit gate fidelity as a percentage with a named statistic."
    },
    {
     "field": "fidelity_1q",
     "why": "The AQT pages consulted do not print a one-qubit gate fidelity as a percentage with a named statistic."
    },
    {
     "field": "system_metric",
     "why": "AQT says characterization and benchmarking data, including quantum volume, can be found elsewhere, but the consulted page does not print a metric value for IBEX Q1."
    }
   ]
  },
  {
   "slug": "iqm-halocene",
   "name": "IQM Halocene",
   "url": "https://quantum.world/tracker/systems/iqm-halocene",
   "maker": "IQM",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-11-13",
     "text": "13 November 2025",
     "source": "https://iqm.tech/press-releases/iqm-launches-halocene-a-new-quantum-computer-product-line-for-error-correction/",
     "read_on": "2026-10-20",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://iqm.tech/technology/qpu/",
     "read_on": "2026-10-20",
     "checked": null
    },
    "physical_qubits": {
     "value": 150,
     "text": "150 qubits",
     "unit": "qubits",
     "source": "https://iqm.tech/products/iqm-halocene/",
     "read_on": "2026-10-20",
     "checked": true
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://iqm.tech/press-releases/iqm-launches-halocene-a-new-quantum-computer-product-line-for-error-correction/",
     "read_on": "2026-10-20",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "not found on the maker’s own pages"
    },
    {
     "field": "availability",
     "why": "not found on the maker’s own pages"
    },
    {
     "field": "logical_qubits",
     "why": "IQM's product page says “Supports up to 5 high-quality logical qubits” (page: IQM Halocene), but the register requires a demonstrated logical-qubit count with the code and paper; the page does not provide that demonstration and paper."
    },
    {
     "field": "fidelity_2q",
     "why": "The Halocene announcement prints “targeting 99.7% physical two-qubit gate fidelity” (page: IQM launches Halocene, a new quantum computer product line for error correction). This is a target, not a reported fidelity with a named statistic such as median, average, or best."
    },
    {
     "field": "fidelity_1q",
     "why": "No one-qubit gate fidelity for IQM Halocene is printed on the IQM Halocene product page or in the Halocene announcement."
    }
   ]
  },
  {
   "slug": "iqm-radiance",
   "name": "IQM Radiance",
   "url": "https://quantum.world/tracker/systems/iqm-radiance",
   "maker": "IQM",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://iqm.tech/technology/qpu/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "availability": {
     "value": [
      "on-premise"
     ],
     "text": "On-premise",
     "source": "https://iqm.tech/products/iqm-radiance/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://iqm.tech/products/iqm-radiance/",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "announced",
     "why": "The maker's Radiance page does not state an announcement date."
    },
    {
     "field": "physical_qubits",
     "why": "The page lists Radiance configurations with 20, 54, or 150 qubits, but no configuration was specified for this entry, so there is no single count to record."
    },
    {
     "field": "logical_qubits",
     "why": "The maker's Radiance page does not report a demonstrated logical-qubit count with an error-correction code and paper."
    },
    {
     "field": "fidelity_2q",
     "why": "The page reports two-qubit fidelity figures for particular configurations, but does not specify which Radiance configuration this entry represents; a single value cannot be assigned without choosing one."
    },
    {
     "field": "fidelity_1q",
     "why": "The page reports single-qubit fidelity figures for particular configurations, but does not specify which Radiance configuration this entry represents; a single value cannot be assigned without choosing one."
    },
    {
     "field": "system_metric",
     "why": "The maker lists system metrics for particular Radiance configurations, but does not specify which configuration this entry represents; assigning one configuration's metrics to the product family would be ambiguous."
    }
   ]
  },
  {
   "slug": "loon",
   "name": "Loon",
   "url": "https://quantum.world/tracker/systems/loon",
   "maker": "IBM",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-11-12",
     "text": "12 November 2025",
     "source": "https://newsroom.ibm.com/2025-11-12-ibm-delivers-new-quantum-processors,-software,-and-algorithm-breakthroughs-on-path-to-advantage-and-fault-tolerance",
     "read_on": "2026-10-20",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://newsroom.ibm.com/2025-11-12-ibm-delivers-new-quantum-processors,-software,-and-algorithm-breakthroughs-on-path-to-advantage-and-fault-tolerance",
     "read_on": "2026-10-20",
     "checked": null
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://newsroom.ibm.com/2025-11-12-ibm-delivers-new-quantum-processors,-software,-and-algorithm-breakthroughs-on-path-to-advantage-and-fault-tolerance",
     "read_on": "2026-10-20",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "the reading gave a value this register cannot hold"
    },
    {
     "field": "physical_qubits",
     "why": "IBM's cited Loon pages do not print a physical-qubit count for the system."
    },
    {
     "field": "logical_qubits",
     "why": "IBM's cited Loon pages do not print a demonstrated logical-qubit count or identify a code and paper reporting one."
    },
    {
     "field": "fidelity_2q",
     "why": "IBM's cited Loon pages do not print a two-qubit gate fidelity."
    },
    {
     "field": "fidelity_1q",
     "why": "IBM's cited Loon pages do not print a one-qubit gate fidelity."
    },
    {
     "field": "availability",
     "why": "IBM describes Loon as an experimental proof-of-concept processor but does not state that users can access it via cloud or on-premise, or explicitly classify it as research-only."
    }
   ]
  },
  {
   "slug": "majorana-1",
   "name": "Majorana 1",
   "url": "https://quantum.world/tracker/systems/majorana-1",
   "maker": "Microsoft",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-02-19",
     "text": "19 February 2025",
     "source": "https://azure.microsoft.com/en-us/blog/quantum/2025/02/19/microsoft-unveils-majorana-1-the-worlds-first-quantum-processor-powered-by-topological-qubits/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "modality": {
     "value": "topological",
     "text": "Topological",
     "source": "https://azure.microsoft.com/en-us/blog/quantum/2025/02/19/microsoft-unveils-majorana-1-the-worlds-first-quantum-processor-powered-by-topological-qubits/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "system_metric": {
     "value": [
      {
       "name": "Initial measurements error probability",
       "value": 1
      }
     ],
     "text": "{\"name\":\"Initial measurements error probability\",\"value\":1}",
     "unit": "%",
     "source": "https://azure.microsoft.com/en-us/blog/quantum/2025/02/19/microsoft-unveils-majorana-1-the-worlds-first-quantum-processor-powered-by-topological-qubits/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://azure.microsoft.com/en-us/blog/quantum/2025/02/19/microsoft-unveils-majorana-1-the-worlds-first-quantum-processor-powered-by-topological-qubits/",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The page describes two logical qubits as part of a future error-detection demonstration; it does not state a demonstrated logical-qubit count for Majorana 1."
    },
    {
     "field": "fidelity_2q",
     "why": "The page does not print a two-qubit gate fidelity for Majorana 1."
    },
    {
     "field": "fidelity_1q",
     "why": "The page reports a measurement error probability, not a one-qubit gate fidelity."
    },
    {
     "field": "availability",
     "why": "The page does not state how users can access or use Majorana 1."
    },
    {
     "field": "physical_qubits",
     "why": "the figure is not printed in its sentence (a sum or a figure the page does not give)"
    }
   ]
  },
  {
   "slug": "majorana-2",
   "name": "Majorana 2",
   "url": "https://quantum.world/tracker/systems/majorana-2",
   "maker": "Microsoft",
   "updated_at": "2026-10-24T12:43:09.955417+00:00",
   "values": {
    "announced": {
     "value": "2026-06-02",
     "text": "2 June 2026",
     "source": "https://news.microsoft.com/source/features/innovation/majorana-2-microsoft-discovery-agentic-ai",
     "read_on": "2026-10-23",
     "checked": true
    },
    "modality": {
     "value": "topological",
     "text": "Topological",
     "source": "https://news.microsoft.com/source/features/innovation/majorana-2-microsoft-discovery-agentic-ai",
     "read_on": "2026-10-23",
     "checked": null
    },
    "availability": {
     "value": [
      "partners"
     ],
     "text": "Partners only",
     "source": "https://quantum.microsoft.com/en-us/insights/blogs/microsoft-quantum-research-center-maryland",
     "read_on": "2026-10-23",
     "checked": true
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://quantum.microsoft.com/en-us/insights/blogs/microsoft-quantum-research-center-maryland",
     "read_on": "2026-10-23",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "the reading gave a value this register cannot hold"
    },
    {
     "field": "physical_qubits",
     "why": "Microsoft's Majorana 2 blog describes “A four-qubit array, as described in the technical paper, was used to showcase the improvements resulting from our material changes,” but does not state that four is the physical-qubit count of the Majorana 2 system."
    },
    {
     "field": "logical_qubits",
     "why": "Microsoft's Majorana 2 pages do not state a demonstrated error-corrected logical-qubit count or name an error-correcting code for such a count."
    },
    {
     "field": "fidelity_2q",
     "why": "Microsoft's Majorana 2 pages do not print a two-qubit gate fidelity with a named statistic."
    },
    {
     "field": "fidelity_1q",
     "why": "Microsoft's Majorana 2 pages do not print a one-qubit gate fidelity with a named statistic."
    }
   ]
  },
  {
   "slug": "marmot",
   "name": "MARMOT",
   "url": "https://quantum.world/tracker/systems/marmot",
   "maker": "AQT",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {},
   "unconfirmed": [
    {
     "field": "announced",
     "why": "The maker's pages reviewed mention MARMOT but do not state an announcement date for this system."
    },
    {
     "field": "modality",
     "why": "The maker's MARMOT reference does not name the qubit modality; the maker's general descriptions of its hardware are not specific to MARMOT."
    },
    {
     "field": "physical_qubits",
     "why": "The maker's MARMOT reference does not print a physical-qubit count."
    },
    {
     "field": "logical_qubits",
     "why": "No maker page reviewed demonstrates logical qubits on MARMOT with a code and paper."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker's MARMOT reference does not state a two-qubit gate fidelity with a named statistic."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker's MARMOT reference does not state a one-qubit gate fidelity with a named statistic."
    },
    {
     "field": "system_metric",
     "why": "No maker page reviewed states a named system metric for MARMOT."
    },
    {
     "field": "availability",
     "why": "The maker's current cloud page describes access to AQT hardware but does not identify MARMOT as an accessible system."
    },
    {
     "field": "status",
     "why": "The maker's MARMOT reference does not state whether this system is available, announced, or retired."
    }
   ]
  },
  {
   "slug": "nighthawk",
   "name": "Nighthawk",
   "url": "https://quantum.world/tracker/systems/nighthawk",
   "maker": "IBM",
   "updated_at": "2026-10-25T12:35:05.586465+00:00",
   "values": {
    "announced": {
     "value": "2025-11-12",
     "text": "12 November 2025",
     "source": "https://newsroom.ibm.com/2025-11-12-ibm-delivers-new-quantum-processors,-software,-and-algorithm-breakthroughs-on-path-to-advantage-and-fault-tolerance",
     "read_on": "2026-10-25",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://www.ibm.com/quantum/hardware",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 458,
     "text": "458 qubits",
     "unit": "qubits",
     "source": "https://quantum.cloud.ibm.com/docs/en/guides/processor-types",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://eu-de.quantum.cloud.ibm.com/docs/en/guides/changelog-quantum-compute-service",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://eu-de.quantum.cloud.ibm.com/docs/en/guides/changelog-quantum-compute-service",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The maker's pages reviewed do not report a demonstrated logical-qubit count for Nighthawk r2, nor identify a code and paper for such a demonstration."
    },
    {
     "field": "fidelity_2q",
     "why": "The available-processor table reports “2Q error (best)” as 8.936E-4 for ibm_phoenix, but does not print a two-qubit gate fidelity in percent. The error rate is not converted to fidelity."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker's Nighthawk pages reviewed do not print a one-qubit gate fidelity in percent."
    },
    {
     "field": "system_metric",
     "why": "its line was not found on its page, and a second reading did not confirm it"
    }
   ]
  },
  {
   "slug": "ocelot",
   "name": "Ocelot",
   "url": "https://quantum.world/tracker/systems/ocelot",
   "maker": "AWS",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-02-27",
     "text": "27 February 2025",
     "source": "https://www.amazon.science/blog/amazon-announces-ocelot-quantum-chip",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "research"
     ],
     "text": "Research only",
     "source": "https://www.amazon.science/blog/amazon-announces-ocelot-quantum-chip",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://www.aboutamazon.com/news/aws/quantum-computing-aws-ocelot-chip",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "modality",
     "why": "read on a page that is not the maker’s own"
    },
    {
     "field": "logical_qubits",
     "why": "read on a page that is not the maker’s own"
    },
    {
     "field": "system_metric",
     "why": "the reading gave a value this register cannot hold"
    },
    {
     "field": "physical_qubits",
     "why": "The maker describes five data qubits and four additional qubits for error detection, but does not print their sum as a single physical-qubit count. The page also describes 14 core components, including buffer circuits, so that component count is not a physical-qubit count."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker's Ocelot pages and paper do not print a two-qubit gate fidelity percentage. The paper reports logical error rates per cycle instead: “The minimum measured logical error per cycle is on average 1.75(2)% for the distance-3 code sections, and 1.65(3)% for the distance-5 code.” These are not two-qubit gate fidelities."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker's Ocelot pages and paper do not print a one-qubit gate fidelity percentage. The paper reports logical error rates per cycle instead: “The minimum measured logical error per cycle is on average 1.75(2)% for the distance-3 code sections, and 1.65(3)% for the distance-5 code.” These are not one-qubit gate fidelities."
    }
   ]
  },
  {
   "slug": "omega",
   "name": "Omega",
   "url": "https://quantum.world/tracker/systems/omega",
   "maker": "PsiQuantum",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-02-26",
     "text": "26 February 2025",
     "source": "https://www.psiquantum.com/news-import/omega",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "photonic",
     "text": "Photonic",
     "source": "https://www.psiquantum.com/news-import/introducing-omega",
     "read_on": "2026-10-16",
     "checked": null
    },
    "system_metric": {
     "value": [
      {
       "name": "Two-Qubit Fusion Gate Fidelity",
       "value": 99.22
      }
     ],
     "text": "{\"name\":\"Two-Qubit Fusion Gate Fidelity\",\"value\":99.22}",
     "unit": "%",
     "source": "https://www.psiquantum.com/news-import/introducing-omega",
     "read_on": "2026-10-16",
     "checked": null
    },
    "availability": {
     "value": [
      "research"
     ],
     "text": "Research only",
     "source": "https://www.psiquantum.com/news-import/introducing-omega",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://www.psiquantum.com/news-import/omega",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "physical_qubits",
     "why": "The maker describes components for million-qubit-scale systems, but does not print a physical-qubit count for Omega as one number."
    },
    {
     "field": "logical_qubits",
     "why": "The maker's pages do not report a demonstrated logical-qubit count or a logical-qubit code for Omega."
    },
    {
     "field": "fidelity_2q",
     "why": "The reported two-qubit figure is specifically the named Two-Qubit Fusion Gate Fidelity; the maker does not report a general two-qubit gate fidelity for Omega."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker reports single-qubit state-preparation-and-measurement fidelity, not one-qubit gate fidelity."
    }
   ]
  },
  {
   "slug": "orion-gamma",
   "name": "Orion Gamma",
   "url": "https://quantum.world/tracker/systems/orion-gamma",
   "maker": "Pasqal",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2025-06-12",
     "text": "12 June 2025",
     "source": "https://www.pasqal.com/newsroom/pasqal-releases-2025-roadmap/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "neutral-atom",
     "text": "Neutral atom",
     "source": "https://docs.pasqal.com/qpu-emulators/qpus/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "system_metric": {
     "value": [
      {
       "name": "Minimum effective computation repetition rate",
       "value": 0.25
      }
     ],
     "text": "{\"name\":\"Minimum effective computation repetition rate\",\"value\":0.25}",
     "unit": "Hz",
     "source": "https://www.pasqal.com/wp-content/uploads/2025/11/2509_Pasqal_Quantum-Computing-Processor_Brochure-RVB-V8.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "availability": {
     "value": [
      "cloud",
      "on-premise"
     ],
     "text": "Cloud, On-premise",
     "source": "https://www.pasqal.com/wp-content/uploads/2025/12/2025-Pasqal-PressKit.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://docs.pasqal.com/qpu-emulators/qpus/",
     "read_on": "2026-10-16",
     "checked": false
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The maker's pages reviewed do not report a demonstrated logical-qubit count for Orion Gamma together with a code and paper."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker's pages reviewed do not print a two-qubit gate fidelity for Orion Gamma."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker's pages reviewed do not print a one-qubit gate fidelity for Orion Gamma."
    },
    {
     "field": "physical_qubits",
     "why": "two readings disagree: 140 and 200"
    }
   ]
  },
  {
   "slug": "osprey",
   "name": "Osprey",
   "url": "https://quantum.world/tracker/systems/osprey",
   "maker": "IBM",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2022-11-09",
     "text": "9 November 2022",
     "source": "https://newsroom.ibm.com/2022-11-09-IBM-Unveils-400-Qubit-Plus-Quantum-Processor-and-Next-Generation-IBM-Quantum-System-Two",
     "read_on": "2026-10-20",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://quantum.cloud.ibm.com/learning/en/courses/quantum-business-foundations/introduction-to-quantum-computing",
     "read_on": "2026-10-20",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "availability",
     "why": "the reading gave a value this register cannot hold"
    },
    {
     "field": "logical_qubits",
     "why": "The maker's pages reviewed do not print a demonstrated logical-qubit count for Osprey."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker's pages reviewed do not print a two-qubit gate fidelity for Osprey with a named statistic. Error rates or figures not attributed specifically to Osprey do not establish this value."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker's pages reviewed do not print a one-qubit gate fidelity for Osprey with a named statistic."
    },
    {
     "field": "system_metric",
     "why": "The maker's pages reviewed do not print a system metric specifically for Osprey. IBM's other cited metric figures are not attributed to Osprey."
    },
    {
     "field": "status",
     "why": "two readings disagree: retired and announced"
    },
    {
     "field": "physical_qubits",
     "why": "the figure is not printed in its sentence (a sum or a figure the page does not give)"
    }
   ]
  },
  {
   "slug": "sqale",
   "name": "Sqale",
   "url": "https://quantum.world/tracker/systems/sqale",
   "maker": "Infleqtion",
   "updated_at": "2026-10-23T11:37:53.578031+00:00",
   "values": {
    "announced": {
     "value": "2026-09-24",
     "text": "24 September 2026",
     "source": "https://infleqtion.com/infleqtion-achieves-30-entangled-logical-qubits-on-its-sqale-quantum-computer/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "neutral-atom",
     "text": "Neutral atom",
     "source": "https://infleqtion.com/quantum-computing/",
     "read_on": "2026-10-16",
     "checked": false
    },
    "availability": {
     "value": [
      "on-premise",
      "cloud"
     ],
     "text": "On-premise, Cloud",
     "source": "https://infleqtion.com/quantum-computing/",
     "read_on": "2026-10-16",
     "checked": false
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://infleqtion.com/quantum-computing/",
     "read_on": "2026-10-16",
     "checked": false
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "not found on the maker’s own pages"
    },
    {
     "field": "logical_qubits",
     "why": "Infleqtion reports 30 logical qubits and identifies the distance-3 [[8,3,3]] code and downstream distance-2 [[8,3,2]] encoding. However, its technical write-up says a full paper on the 30-logical-qubit results is planned, so the maker’s published pages do not yet provide the required code-and-paper support."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker’s pages do not print a one-qubit gate fidelity with a named statistic. The listed Local Rz value is for a specifically named gate, which this field excludes."
    },
    {
     "field": "fidelity_2q",
     "why": "two readings disagree: 99.48 and 99.73"
    },
    {
     "field": "physical_qubits",
     "why": "two readings disagree: 80 and 100"
    }
   ]
  },
  {
   "slug": "starling",
   "name": "Starling",
   "url": "https://quantum.world/tracker/systems/starling",
   "maker": "IBM",
   "updated_at": "2026-11-02T05:24:24.314593+00:00",
   "values": {
    "announced": {
     "value": "2025-06-10",
     "text": "10 June 2025",
     "source": "https://www.ibm.com/quantum/blog/large-scale-ftqc",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://www.ibm.com/quantum/hardware",
     "read_on": "2026-10-16",
     "checked": null
    },
    "logical_qubits": {
     "value": 200,
     "text": "200 qubits (target)",
     "unit": "qubits",
     "target": true,
     "source": "https://www.ibm.com/quantum/hardware",
     "read_on": "2026-10-16",
     "checked": true
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://www.ibm.com/quantum/hardware",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "physical_qubits",
     "why": "IBM states a target of 200 logical qubits for Starling, but does not print a physical-qubit count for the system. The 200-qubit figure in the Technology Atlas is not identified there as a physical count."
    },
    {
     "field": "fidelity_2q",
     "why": "The cited IBM Starling pages do not print a two-qubit gate fidelity for Starling."
    },
    {
     "field": "fidelity_1q",
     "why": "The cited IBM Starling pages do not print a one-qubit gate fidelity for Starling."
    },
    {
     "field": "system_metric",
     "why": "IBM describes 100 million gates as circuits Starling is intended to run; that is a circuit-capacity description, not a named system metric under the register's rules. The cited pages print no other named numerical system metric for Starling."
    },
    {
     "field": "availability",
     "why": "IBM says Starling is planned for 2029 and will be available to clients then, but the cited pages do not specify whether access will be cloud or on-premise. Starling is not yet listed as available, and the pages do not report it as a research-only system."
    }
   ]
  },
  {
   "slug": "sycamore",
   "name": "Sycamore",
   "url": "https://quantum.world/tracker/systems/sycamore",
   "maker": "Google",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2019-10-23",
     "text": "23 October 2019",
     "source": "https://research.google/blog/quantum-supremacy-using-a-programmable-superconducting-processor/",
     "read_on": "2026-10-20",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://quantumai.google/hardware/datasheet/weber.pdf",
     "read_on": "2026-10-20",
     "checked": null
    },
    "physical_qubits": {
     "value": 54,
     "text": "54 qubits",
     "unit": "qubits",
     "source": "https://research.google/blog/quantum-supremacy-using-a-programmable-superconducting-processor/",
     "read_on": "2026-10-20",
     "checked": true
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The Google pages reviewed do not print a demonstrated logical-qubit count with a code and paper."
    },
    {
     "field": "fidelity_2q",
     "why": "The Google pages reviewed do not print a two-qubit gate fidelity as a percentage with a named statistic; “high-fidelity” is not a numeric value."
    },
    {
     "field": "fidelity_1q",
     "why": "The Google pages reviewed do not print a one-qubit gate fidelity as a percentage with a named statistic."
    },
    {
     "field": "system_metric",
     "why": "The pages reviewed do not print an eligible single-number system metric. The 200 seconds describes one benchmark run, not the machine; the datasheet’s repetition rate is printed as a range."
    },
    {
     "field": "status",
     "why": "two readings disagree: available and retired"
    },
    {
     "field": "availability",
     "why": "two readings disagree: [\"cloud\"] and [\"research\"]"
    }
   ]
  },
  {
   "slug": "system-model-h2",
   "name": "System Model H2",
   "url": "https://quantum.world/tracker/systems/system-model-h2",
   "maker": "Quantinuum",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "modality": {
     "value": "trapped-ion",
     "text": "Trapped ion",
     "source": "https://docs.quantinuum.com/systems/_static/assets/data_sheets/Quantinuum%20H2%20Product%20Data%20Sheet.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 56,
     "text": "56 qubits",
     "unit": "qubits",
     "source": "https://docs.quantinuum.com/systems/_static/assets/data_sheets/Quantinuum%20H2%20Product%20Data%20Sheet.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://www.quantinuum.com/products-solutions/quantinuum-systems/system-model-h2",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://docs.quantinuum.com/systems/user_guide/hardware_user_guide/performance_validation.html",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "system_metric",
     "why": "not found on the maker’s own pages"
    },
    {
     "field": "logical_qubits",
     "why": "The System Model H2 product page and product data sheet do not state a logical-qubit count together with an error-correcting code and its paper. The press release mentions four reliable logical qubits on a 32-qubit machine, but does not identify the code in that statement."
    },
    {
     "field": "fidelity_2q",
     "why": "The product page prints “>99.9%” for two-qubit gate fidelity but does not name a statistic such as median, average, or best. The product data sheet reports infidelity, not fidelity, so that value is not converted."
    },
    {
     "field": "fidelity_1q",
     "why": "The product page prints “>99.99%” for single-qubit gate fidelity but does not name a statistic such as median, average, or best. The product data sheet reports infidelity, not fidelity, so that value is not converted."
    },
    {
     "field": "announced",
     "why": "two readings disagree: 2024-06-05 and 2023-05-09"
    }
   ]
  },
  {
   "slug": "tempo",
   "name": "Tempo",
   "url": "https://quantum.world/tracker/systems/tempo",
   "maker": "IonQ",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "modality": {
     "value": "trapped-ion",
     "text": "Trapped ion",
     "source": "https://ionq.com/technology",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 100,
     "text": "100 qubits (target)",
     "unit": "qubits",
     "target": true,
     "source": "https://ionq.com/quantum-systems/tempo",
     "read_on": "2026-10-16",
     "checked": true
    },
    "system_metric": {
     "value": [
      {
       "name": "#AQ",
       "value": 64
      }
     ],
     "text": "{\"name\":\"#AQ\",\"value\":64}",
     "source": "https://www.ionq.com/news/ionq-achieves-record-breaking-quantum-performance-milestone-of-aq-64",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://www.ionq.com/news/ionq-unveils-forte-enterprise-and-tempo-rack-mounted-enterprise-grade",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The maker’s pages reviewed do not print a demonstrated logical-qubit count for Tempo."
    },
    {
     "field": "fidelity_2q",
     "why": "The product page states “99.9%” as a target fidelity but does not identify it as two-qubit gate fidelity or name a statistic such as median, average, or best."
    },
    {
     "field": "fidelity_1q",
     "why": "The product page states “99.9%” as a target fidelity but does not identify it as one-qubit gate fidelity or name a statistic such as median, average, or best."
    },
    {
     "field": "availability",
     "why": "The Tempo page offers an inquiry contact, but the maker’s pages reviewed do not state that this system is available through the cloud or offered for on-premise installation."
    },
    {
     "field": "announced",
     "why": "two readings disagree: 2023-09-27 and 2026"
    }
   ]
  },
  {
   "slug": "toshiko",
   "name": "Toshiko",
   "url": "https://quantum.world/tracker/systems/toshiko",
   "maker": "OQC",
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "announced": {
     "value": "2023-11-27",
     "text": "27 November 2023",
     "source": "https://oqc.tech/company/newsroom/toshiko-the-worlds-first-enterprise-ready-quantum-platform/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://oqc.tech/tech/devices/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "physical_qubits": {
     "value": 32,
     "text": "32 qubits",
     "unit": "qubits",
     "source": "https://oqc.tech/tech/devices/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "availability": {
     "value": [
      "cloud"
     ],
     "text": "Cloud",
     "source": "https://oqc.tech/access/oqc-cloud/",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://oqc.tech/access/oqc-cloud/",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The OQC pages reviewed identify Toshiko as a 32-qubit device but do not report a demonstrated logical-qubit count for Toshiko together with a code and paper."
    },
    {
     "field": "fidelity_2q",
     "why": "The OQC pages reviewed do not print a two-qubit gate fidelity or a named statistic for Toshiko."
    },
    {
     "field": "fidelity_1q",
     "why": "The OQC pages reviewed do not print a one-qubit gate fidelity or a named statistic for Toshiko."
    },
    {
     "field": "system_metric",
     "why": "The OQC pages reviewed do not print a named system metric for Toshiko; the reported 32-qubit count is recorded as physical_qubits, not as a separate system metric."
    }
   ]
  },
  {
   "slug": "willow",
   "name": "Willow",
   "url": "https://quantum.world/tracker/systems/willow",
   "maker": "Google",
   "updated_at": "2026-11-02T05:25:50.296001+00:00",
   "values": {
    "announced": {
     "value": "2024-12-09",
     "text": "9 December 2024",
     "source": "https://blog.google/innovation-and-ai/technology/research/google-willow-quantum-chip/",
     "read_on": "2026-10-16",
     "checked": true
    },
    "physical_qubits": {
     "value": 105,
     "text": "105 qubits",
     "unit": "qubits",
     "source": "https://quantumai.google/site-assets/downloads/willow-spec-sheet.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "fidelity_2q": {
     "value": 99.88,
     "text": "99.88%",
     "source": "https://blog.google/innovation-and-ai/technology/research/quantum-hardware-verifiable-advantage/",
     "read_on": "2026-11-02",
     "checked": true
    },
    "fidelity_1q": {
     "value": 99.97,
     "text": "99.97%",
     "source": "https://blog.google/innovation-and-ai/technology/research/quantum-hardware-verifiable-advantage/",
     "read_on": "2026-11-02",
     "checked": true
    },
    "system_metric": {
     "value": [
      {
       "name": "Average connectivity",
       "value": 3.47
      }
     ],
     "text": "{\"name\":\"Average connectivity\",\"value\":3.47}",
     "source": "https://quantumai.google/site-assets/downloads/willow-spec-sheet.pdf",
     "read_on": "2026-10-16",
     "checked": null
    },
    "status": {
     "value": "available",
     "text": "Available",
     "source": "https://quantumai.google/willowearlyaccess",
     "read_on": "2026-10-16",
     "checked": null
    }
   },
   "unconfirmed": [
    {
     "field": "modality",
     "why": "read on a page that is not the maker’s own"
    },
    {
     "field": "logical_qubits",
     "why": "read on a page that is not the maker’s own"
    },
    {
     "field": "availability",
     "why": "its line was not found on its page, and a second reading did not confirm it"
    }
   ]
  },
  {
   "slug": "zuchongzhi-3-0",
   "name": "Zuchongzhi 3.0",
   "url": "https://quantum.world/tracker/systems/zuchongzhi-3-0",
   "maker": null,
   "updated_at": "2026-10-22T20:23:44.522552+00:00",
   "values": {
    "modality": {
     "value": "superconducting",
     "text": "Superconducting",
     "source": "https://arxiv.org/abs/2412.11924",
     "read_on": "2026-10-16",
     "checked": false
    },
    "physical_qubits": {
     "value": 105,
     "text": "105 qubits",
     "unit": "qubits",
     "source": "https://arxiv.org/abs/2412.11924",
     "read_on": "2026-10-16",
     "checked": false
    },
    "availability": {
     "value": [
      "research"
     ],
     "text": "Research only",
     "source": "https://arxiv.org/abs/2412.11924",
     "read_on": "2026-10-16",
     "checked": false
    },
    "status": {
     "value": "announced",
     "text": "Announced",
     "source": "https://arxiv.org/abs/2412.11924",
     "read_on": "2026-10-16",
     "checked": false
    }
   },
   "unconfirmed": [
    {
     "field": "logical_qubits",
     "why": "The cited maker paper reports physical qubits and experiments, but does not report a demonstrated logical-qubit count or identify a logical-qubit code for such a count."
    },
    {
     "field": "fidelity_2q",
     "why": "The maker reports a two-qubit gate fidelity of 99.62% (also described as parallel), but does not name the required statistic—median, average, or best. Its average Pauli error is an error rate, not a printed fidelity, so it is not converted."
    },
    {
     "field": "fidelity_1q",
     "why": "The maker reports a single-qubit gate fidelity of 99.90% (also described as parallel), but does not name the required statistic—median, average, or best. Its average Pauli error is an error rate, not a printed fidelity, so it is not converted."
    },
    {
     "field": "maker",
     "why": "two readings disagree: University of Science and Technology of China and USTC"
    },
    {
     "field": "announced",
     "why": "two readings disagree: 2024-12-16 and 2025-03-03"
    },
    {
     "field": "system_metric",
     "why": "its line was not found on its page, and a second reading did not confirm it"
    }
   ]
  }
 ]
}