Willow
The chip behind below-threshold error correction and verifiable quantum advantage claims.
Full Willow record →Head to head
Willow vs IBM Quantum Platform
Willow (Google Quantum AI) and IBM Quantum Platform (IBM) both sit in Quantum. Willow is the cheaper entry point at Early access / research chip. Pricing is not publicly listed.. IBM Quantum Platform shipped more tracked changes in the last 30 days (13 vs 3). Every value below comes from the latest crawl of the vendors' own pages.
| 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 |
IBM Quantum Platform
Utility-scale superconducting processors with Qiskit Runtime primitives and error mitigation.
Full IBM Quantum Platform record →