Compare · Quantum computers
Gemini vs Cepheus-1-36Q
RANKED BY PHYSICAL QUBITS ON AN OPERATIONAL SYSTEM
#2 VS #12
CHECKED 06 SEPT 2026
Side by side
Verdict
Gemini ranks #2 of 16 on Physical qubits on an operational system (260); Cepheus-1-36Q ranks #12 (36).
Rank 02 of 16 · leads
Physical qubits on an operational system
260
MakerQuEra
Date2025
Verified04 Sept 2026
Evidence
QuEra Gemini product page: "Number of Qubits 260 physical qubits", digital gate-mode. Secondary: Global 2-Qubit Gate Fidelity 99.2%. Roadmap page lists Gemini as launched 2025.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