Compare · Quantum computers
Cepheus-1-108Q vs Willow
RANKED BY PHYSICAL QUBITS ON AN OPERATIONAL SYSTEM
#7 VS #8
CHECKED 06 SEPT 2026
Side by side
Verdict
Cepheus-1-108Q ranks #7 of 16 on Physical qubits on an operational system (108); Willow ranks #8 (105).
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 08 of 16
Physical qubits on an operational system
105
MakerGoogle Quantum AI
Date2024
Verified04 Sept 2026
Evidence
Google Willow announcement and spec sheet: 105 qubits. Spec sheet 2Q gate error 0.33% +/- 0.18% (CZ, chip 1) and 0.14% +/- 0.052% (iswap-like, chip 2).Try another pair
More Cepheus-1-108Q matchups
- Cepheus-1-108Q vs AC1000
- Cepheus-1-108Q vs Gemini
- Cepheus-1-108Q vs Aquila
- Cepheus-1-108Q vs Heron r3
- Cepheus-1-108Q vs Orion Gamma
- Cepheus-1-108Q vs Nighthawk
- Cepheus-1-108Q vs Helios
- Cepheus-1-108Q vs Ankaa-3
- Cepheus-1-108Q vs System Model H2
- 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