Tools Quantum Threat Tracker 2025-11-05-quantinuum-helios-reaches-48-logical-qubits
Milestone record
Quantinuum Helios reaches 48 logical qubits
- Kind
- Hardware
What happened
Quantinuum launched Helios, a trapped-ion system with 98 physical qubits, up to 48 error-corrected logical qubits, and two-qubit gate fidelity of 99.921%.
Sources
On YFarmX
- Reference pageyfarmx.com/quantum/hardware/quantinuum/
One record from the Quantum Threat Tracker, maintained by the Security Desk. Data: CSV · JSON ·RSS · CC BY 4.0 with attribution to YFarmX.Tracker updated · 18 September 2026