PsiQuantum
Photonic fault-tolerant machines under construction.
Full PsiQuantum record →Head to head
PsiQuantum vs Quantinuum Helios
PsiQuantum (PsiQuantum) and Quantinuum Helios (Quantinuum) both sit in Quantum. Quantinuum Helios shipped more tracked changes in the last 30 days (6 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | PsiQuantum PsiQuantum | Quantinuum Helios Quantinuum |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | Omega | Helios |
| Entry cost | Pre-commercial | Hardware-as-a-service / access via Nexus cloud or on-premise. Pricing is not published (contact sales). |
| Pricing tiers | — | — |
| Model stack | photonic | Guppy / TKET · Helios · Helios trapped-ion QPU |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 6 |
| Origin | Global | Global |
| Capabilities | Photonic chipset, Cryo plant, Utility-scale target | 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 |
Quantinuum Helios
Highest published two-qubit fidelities, all-to-all connectivity, real-time classical control.
Full Quantinuum Helios record →