Compare · Quantum computers
Cepheus-1-108Q vs System Model H2
RANKED BY PHYSICAL QUBITS ON AN OPERATIONAL SYSTEM
#7 VS #11
CHECKED 06 SEPT 2026
Side by side
Verdict
Cepheus-1-108Q ranks #7 of 16 on Physical qubits on an operational system (108); System Model H2 ranks #11 (56).
Rank 07 of 16 · leads
Physical qubits on an operational system
108
MakerRigetti
Date2026
Verified04 Sept 2026
Evidence
Rigetti What we build page: Cepheus-1-108Q deployed 7 April 2026, 108 qubits, two-qubit gate fidelity 99.1% (CZ).Rank 11 of 16
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.Try another pair
More Cepheus-1-108Q matchups
- Cepheus-1-108Q vs AC1000
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- Cepheus-1-108Q vs Heron r3
- Cepheus-1-108Q vs Orion Gamma
- Cepheus-1-108Q vs Nighthawk
- Cepheus-1-108Q vs Willow
- Cepheus-1-108Q vs Helios
- Cepheus-1-108Q vs Ankaa-3
- Cepheus-1-108Q vs Cepheus-1-36Q
- Cepheus-1-108Q vs Forte
- Cepheus-1-108Q vs Toshiko
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