Willow
The chip behind below-threshold error correction and verifiable quantum advantage claims.
Full Willow record →Head to head
Willow (Google Quantum AI) and IBM Quantum Platform (IBM) both sit in Quantum. Willow is the cheaper entry point at Pricing not published. Early Access Program available.. IBM Quantum Platform shipped more tracked changes in the last 30 days (17 vs 0). 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 SDK |
| Entry cost | Pricing not published. Early Access Program available. | Free tier · from $5,760/min |
| Pricing tiers | — | Open Plan free · Pay-As-You-Go Plan $5760 · Flex Plan $28800 · Premium Plan $249600 · On-Prem Plan free |
| Model stack | undisclosed | 100+ qubit processors · 100+ qubit quantum processors · Heron r2 QPU · IBM Quantum Fleet (100+ qubit processors) · Qiskit Runtime · Qiskit SDK |
| Context window | — | 5000 two-qubit gates |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 17 |
| 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 |
The chip behind below-threshold error correction and verifiable quantum advantage claims.
Full Willow record →Utility-scale superconducting processors with Qiskit Runtime primitives and error mitigation.
Full IBM Quantum Platform record →