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IBM Quantum PlatformGoogle Quantum AI
| Attribute | IBM Quantum Platform IBM | Google Quantum AI |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | IBM Quantum Platform | Cirq |
| Entry cost | Free tier · from $96/min | Free and open-source library |
| Pricing tiers | Open Plan free · Pay-As-You-Go Plan $96 | Cirq Open Source Library free |
| Model stack | 100+ qubit processors · 100+ qubit quantum processors · Heron r2 QPU · IBM Quantum Fleet (100+ qubit processors) · Qiskit Runtime · Qiskit SDK | Cirq · Willow · Willow QPU |
| Context window | 5000 two-qubit gates | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 12 | 7 |
| Origin | Global | Global |
| Capabilities | 156-qubit Heron r2, Qiskit Runtime primitives, dynamic circuits, error mitigation, Quantum computer access, Qiskit Runtime, Qiskit Functions catalog, Error mitigation | 105 physical qubits, below-threshold error correction, Cirq toolchain, Quantum programming framework, Quantum circuit simulation, Noise modeling and experiments, Quantum Virtual Machine, Open source Python library |