Qubit Tracker
Loon
Loon in the Qubit Tracker: every value read on the maker's own pages, with its day.
- Announced
- 12 November 2025 — newsroom.ibm.com, read 20 October 2026
- Modality
- Superconducting — newsroom.ibm.com, read 20 October 2026
- Physical qubits
- Not confirmed: IBM's cited Loon pages do not print a physical-qubit count for the system.
- Logical qubits
- Not confirmed: IBM's cited Loon pages do not print a demonstrated logical-qubit count or identify a code and paper reporting one.
- Two-qubit gate fidelity
- Not confirmed: IBM's cited Loon pages do not print a two-qubit gate fidelity.
- One-qubit gate fidelity
- Not confirmed: IBM's cited Loon pages do not print a one-qubit gate fidelity.
- The maker’s own metric
- Not confirmed: the reading gave a value this register cannot hold
- Access
- Not confirmed: 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.
- Status
- Announced — newsroom.ibm.com, read 20 October 2026
More from IBM
Sources
- IBM Delivers New Quantum Processors, Software, and Algorithm Breakthroughs on Path to Advantage and Fault Tolerance (read 20 October 2026)
- IBM Quantum Loon (read 20 October 2026)