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System Model H2 vs Cepheus-1-36Q

RANKED BY PHYSICAL QUBITS ON AN OPERATIONAL SYSTEM #11 VS #12 CHECKED 06 SEPT 2026
Side by side
Verdict

System Model H2 ranks #11 of 16 on Physical qubits on an operational system (56); Cepheus-1-36Q ranks #12 (36).

Rank 11 of 16 · leads
Physical qubits on an operational system
56
MakerQuantinuum
Date2024
Verified04 Sept 2026
Evidence
Quantinuum System Model H2 product page: 56 fully-connected qubits, two-qubit gate fidelity >99.9%, single-qubit gate fidelity >99.99%, quantum volume 33,554,432 (2^25). Commercially available via Quantinuum subscription and Microsoft Azure.
Rank 12 of 16
Physical qubits on an operational system
36
MakerRigetti
Date2025
Verified04 Sept 2026
Evidence
Rigetti What we build page: Cepheus-1-36Q deployed 12 August 2025, 36 qubits, two-qubit gate fidelity 99.5% (CZ). Tied on qubit count with IonQ Forte.
Try another pair
Source Vendor product pages and official announcements (Atom Computing AC1000, QuEra Gemini and Aquila, IBM Quantum hardware, Pasqal Orion Gamma… Last checked 06 Sept 2026
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