QubitOS

Open-source quantum control kernel. Hamiltonian in, optimized pulses out.

QubitOS sits between the compiler and quantum hardware. It optimizes control pulses against live calibration data, schedules them with constraint-aware parallelism, and dispatches through a hardware abstraction layer.

Apache License 2.0. Python 3.11+. Rust 1.85+.

Code

The project is a monorepo:

git clone https://github.com/qubit-os/qubit-os

• core/ — Python: GRAPE optimizer, SME solver, Lyapunov feedback, CLI
• hal/ — Rust: gRPC server, backend dispatch, Lindblad / SME / feedback
• proto/ — Protocol Buffer API contracts

Releases

See Releases and the changelog.

Backend integration honesty

IQM is the primary live integration and the only backend exercised against real hardware. IBM Quantum, AWS Braket, and the QuTiP simulator are mock-tested and demonstrate the backend abstraction; they are not maintained as production cloud integrations.

Links

• Source: github.com/qubit-os/qubit-os
• Docs: qubit-os.github.io/qubit-os/
• Releases: github.com/qubit-os/qubit-os/releases
• Issues: github.com/qubit-os/qubit-os/issues