PennyLane
Autograd-style quantum machine learning across simulators and hardware backends.
Full PennyLane record →Head to head
PennyLane vs Google Quantum AI
PennyLane (Xanadu) and Google Quantum AI (Google) 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 | PennyLane Xanadu | Google Quantum AI |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | 0.45.1 | Cirq |
| Entry cost | Free and open-source Python library | Free and open-source library |
| Pricing tiers | Open Source free | Cirq Open Source Library free |
| Model stack | Catalyst JIT · JAX / PyTorch backends | Cirq · Willow · Willow QPU |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 2 | 8 |
| Origin | Global | Global |
| Capabilities | 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 | 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 |
Google Quantum AI
Below-threshold error correction demonstrated on the 105-qubit Willow chip.
Full Google Quantum AI record →