
New LaunchApr 7, 2026, 04:11 PM
Rigetti Computing Announces General Availability of 108-Qubit Cepheus-1-108Q System with 99.1% Two-Qubit Gate Fidelity
AI Summary
Rigetti Computing, Inc. announced the general availability of its advanced 108-qubit quantum computing system, Cepheus-1-108Q, on April 7, 2026. This system is now accessible to users through the Rigetti Quantum Cloud Services (QCS®) Platform and Amazon Braket, significantly expanding access to high-performance quantum resources. The Cepheus-1-108Q system demonstrates robust performance metrics, including a 99.1% median two-qubit gate fidelity and a rapid gate speed of approximately 60 nanoseconds. This launch represents a key operational milestone for Rigetti, enhancing its product offering and potentially accelerating quantum algorithm development and research for its institutional clients.
Key Highlights
- Rigetti Computing announced the general availability of its 108-qubit system, Cepheus-1-108Q, on April 7, 2026.
- The Cepheus-1-108Q system is deployed and accessible via the Rigetti Quantum Cloud Services (QCS®) Platform and Amazon Braket.
- The system is currently performing at a 99.1% median two-qubit gate fidelity.
- It features a gate speed of approximately 60 nanoseconds (~60 ns).
- The system also achieves a 99.9% median single-gate fidelity.