Qiskit
The most widely used circuit construction, transpilation and primitives library.
Full Qiskit record →Head to head
Qiskit (IBM) and Azure Quantum (Microsoft) both sit in Quantum. Azure Quantum shipped more tracked changes in the last 30 days (5 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Qiskit IBM | Azure Quantum Microsoft |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | 2.5.2 | GA |
| Entry cost | Free and open-source SDK | Free tier / free trial options available, or pay-as-you-go. |
| Pricing tiers | Open Source free | Free Trial / Free Account free · Pay as you go free |
| Model stack | Rust transpiler core | Majorana 1 · Q# · Quantinuum / IonQ / Pasqal |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 5 |
| Origin | Global | Global |
| Capabilities | Rust-accelerated transpiler, primitives V2, circuit library, OpenQASM 3, quantum circuit building, transpilation and optimization, error mitigation and suppression, heterogeneous orchestration | Quantinuum + IonQ + Pasqal backends, resource estimator, Q# and Python, Q# programming language, Quantum Development Kit (QDK), Resource Estimator, Copilot for coding, Hybrid quantum computing |
The most widely used circuit construction, transpilation and primitives library.
Full Qiskit record →Hardware from Quantinuum, IonQ and Pasqal with the Q# and resource estimator toolchain.
Full Azure Quantum record →