Quantinuum Helios
Highest published two-qubit fidelities, all-to-all connectivity, real-time classical control.
Full Quantinuum Helios record →Head to head
Quantinuum Helios vs Google Quantum AI
Quantinuum Helios (Quantinuum) and Google Quantum AI (Google) both sit in Quantum. Google Quantum AI shipped more tracked changes in the last 30 days (7 vs 6). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Quantinuum Helios Quantinuum | Google Quantum AI |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | Helios | Cirq |
| Entry cost | Hardware-as-a-service / access via Nexus cloud or on-premise. Pricing is not published (contact sales). | Free and open-source software (Cirq) |
| Pricing tiers | — | Cirq Open Source Library free |
| Model stack | Guppy / TKET · Helios · Helios trapped-ion QPU | Cirq · Willow · Willow QPU |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 6 | 7 |
| Origin | Global | Global |
| Capabilities | all-to-all connectivity, 99.9%+ 2Q fidelity, real-time conditional logic, Hardware-as-a-Service, On-premise access, Cloud access, 99.921% Two-qubit gate fidelity, 99.921% two-qubit gate fidelity | 105 physical qubits, below-threshold error correction, Cirq toolchain, Quantum programming framework, Quantum circuit simulation, Noise modeling and experiments, Quantum Virtual Machine, Open source Python library |
Google Quantum AI
Below-threshold error correction demonstrated on the 105-qubit Willow chip.
Full Google Quantum AI record →