Atom Computing
Neutral-atom systems with 1,000+ qubit arrays.
Full Atom Computing record →Head to head
Atom Computing vs Quantinuum Helios
Atom Computing (Atom Computing) 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 | Atom Computing Atom Computing | Quantinuum Helios Quantinuum |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | 2025 | Helios |
| Entry cost | Partnership-based | Hardware-as-a-service / access via Nexus cloud or on-premise. Pricing is not published (contact sales). |
| Pricing tiers | — | — |
| Model stack | neutral atom | Guppy / TKET · Helios · Helios trapped-ion QPU |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 6 |
| Origin | Global | Global |
| Capabilities | 1,180-qubit array, Microsoft partnership, Logical qubits | 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 →