qiskit
Qiskit
Use current Qiskit 2.x APIs to build circuits, prepare hardware-compatible instruction set architecture (ISA) circuits, and execute them through V2 primitives.
Reviewed 2026-10-01 with local tests on qiskit==2.5.2, qiskit-ibm-runtime==0.50.0, and qiskit-aer==0.17.2. IBM account, QPU, session, and batch examples are illustrative and documentation/source-checked; no remote workloads were submitted. See references/sources.md for the verification boundary.
Runtime 0.50 deprecates the top-level SamplerV2/EstimatorV2 implementations. New code imports Sampler from qiskit_ibm_runtime.executor_sampler and Estimator from qiskit_ibm_runtime.executor_estimator. These still implement the V2 PUB interface, using client-side processing and Executor. Use option models from qiskit_ibm_runtime.options_models.