Alice & Bob
Cat-qubit approach to hardware-level error protection.
Full Alice & Bob record →Head to head
Alice & Bob vs IBM Quantum Platform
Alice & Bob (Alice & Bob) and IBM Quantum Platform (IBM) both sit in Quantum. Alice & Bob is the cheaper entry point at Cloud + partnerships. IBM Quantum Platform shipped more tracked changes in the last 30 days (13 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Alice & Bob Alice & Bob | IBM Quantum Platform IBM |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | Boson 4 | Qiskit |
| Entry cost | Cloud + partnerships | Free tier · from $2,880/min |
| Pricing tiers | — | Open Plan free · Pay-As-You-Go Plan $5760 · Flex Plan $4320 · Premium Plan $2880 |
| Model stack | cat qubit | 100+ qubit processors · 100+ qubit quantum processing units (QPUs) · IBM Quantum fleet (100+ qubit processors) |
| Context window | — | 5000 two-qubit gates |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 13 |
| Origin | EU | Global |
| Capabilities | Cat qubits, Bit-flip protection, Roadmap to 100 logical | 156-qubit Heron r2, Qiskit Runtime primitives, dynamic circuits, error mitigation, Quantum computer access, Qiskit Runtime, Qiskit Functions catalog, Error mitigation |
IBM Quantum Platform
Utility-scale superconducting processors with Qiskit Runtime primitives and error mitigation.
Full IBM Quantum Platform record →