Specifications
Provider
Rigetti
Technology
Superconducting
Physical Qubits
108
2Q Gate Fidelity
99.1% CZ
Connectivity
Square lattice (4-fold nearest-neighbor)
Best For
Production workloads, hybrid algorithms
About Cepheus-1-108Q
Cepheus-1-108Q is Rigetti’s 108-qubit superconducting quantum computer built on a square lattice with 4-fold nearest-neighbor connectivity and 99.1% CZ fidelity, designed for production workloads and hybrid algorithms. Run circuits on Cepheus-1 through the Open Quantum platform with $50 of free quantum compute on signup.
Running Cepheus-1-108Q on Open Quantum
One API, every framework
Submit circuits in Qiskit, PennyLane, or OpenQASM. Open Quantum handles vendor translation, so the same code runs here and on every other QPU.
Explore the frameworksTransparent, prepaid pricing
New accounts get $50 of free quantum compute. After that you pay per use with prepaid credits, no subscription and no minimums.
See pricingNo vendor lock-in
One account and one invoice for hardware from IonQ, IQM, Rigetti, and AQT. Switch QPUs anytime without new contracts.
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