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WillowIBM Quantum Platform
| Attribute | Willow Google Quantum AI | IBM Quantum Platform IBM |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | Willow | Qiskit |
| Entry cost | Early access / research chip. Pricing is not publicly listed. | Free tier · from $2,880/min |
| Pricing tiers | Early Access Program free | Open Plan free · Pay-As-You-Go Plan $5760 · Flex Plan $4320 · Premium Plan $2880 |
| Model stack | undisclosed | 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 | 3 | 13 |
| Origin | United States | Global |
| Capabilities | Below-threshold error correction, 105 qubits, Quantum Echoes benchmark, quantum computing, superconducting qubits, neutral atom quantum computers, Quantum Processor, Superconducting Quantum Computing | 156-qubit Heron r2, Qiskit Runtime primitives, dynamic circuits, error mitigation, Quantum computer access, Qiskit Runtime, Qiskit Functions catalog, Error mitigation |