Head to head
Compare products
Pick up to four tracked products. Everything below comes from the most recent snapshot, so the price and model rows are as fresh as the last crawl.
Alice & BobIBM Quantum Platform
| Attribute | Alice & Bob Alice & Bob | IBM Quantum Platform IBM |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | Boson 4 | Heron r2 / Nighthawk |
| Entry cost | Cloud + partnerships | from $96/mo |
| Pricing tiers | — | Open free · Pay-as-you-go $96 |
| Model stack | cat qubit | Heron r2 QPU · Qiskit Runtime |
| Context window | — | 5000 two-qubit gates |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 1 |
| Origin | EU | Global |
| Capabilities | Cat qubits, Bit-flip protection, Roadmap to 100 logical | 156-qubit Heron r2, Qiskit Runtime primitives, dynamic circuits, error mitigation |