Google Quantum AI
Below-threshold error correction demonstrated on the 105-qubit Willow chip.
Full Google Quantum AI record →Head to head
Google Quantum AI vs PennyLane
Google Quantum AI (Google) and PennyLane (Xanadu) both sit in Quantum. Google Quantum AI shipped more tracked changes in the last 30 days (8 vs 2). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Google Quantum AI | PennyLane Xanadu |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | Cirq | 0.45.1 |
| Entry cost | Free open source software | Free and open-source Python library |
| Pricing tiers | Open Source / Free free | Open Source free |
| Model stack | Cirq · Willow · Willow QPU | Catalyst JIT · JAX / PyTorch backends |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 8 | 2 |
| Origin | Global | Global |
| Capabilities | 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 | autodiff of quantum circuits, Catalyst JIT, lightning simulators, hardware plugins, Automatic differentiation of quantum circuits, Hybrid quantum-classical models, Just-in-time compilation, Device-independent quantum circuit model |
PennyLane
Autograd-style quantum machine learning across simulators and hardware backends.
Full PennyLane record →