Qubit Tracker
Helios
Helios in the Qubit Tracker: every value read on the maker's own pages, with its day.
- Announced
- 5 November 2025 — www.quantinuum.com, read 16 October 2026
- Modality
- Trapped ion — docs.quantinuum.com, read 16 October 2026
- Physical qubits
- 98 qubits — docs.quantinuum.com, read 16 October 2026
- Logical qubits
- 48 qubits — www.quantinuum.com, read 23 October 2026
- Two-qubit gate fidelity
- 99.921% — www.quantinuum.com, read 16 October 2026
- One-qubit gate fidelity
- 99.9975% — www.quantinuum.com, read 16 October 2026
- The maker’s own metric
- Not confirmed: 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.
- Access
- Cloud, On-premise — www.quantinuum.com, read 16 October 2026
- Status
- Available — www.quantinuum.com, read 16 October 2026
Sources
- Quantinuum Announces Commercial Launch of New Helios Quantum Computer that Offers Unprecedented Accuracy to Enable Generative Quantum AI (GenQAI) (read 16 October 2026)
- Quantinuum Helios Product Data Sheet (read 16 October 2026)
- Introducing Helios: The Most Accurate Quantum Computer in the World (read 16 October 2026)
- Skinny Logic: Quantum Codes Go on a Diet (read 23 October 2026)