Alice & Bob
Cat-qubit approach to hardware-level error protection.
Full Alice & Bob record →Head to head
Alice & Bob vs Google Quantum AI
Alice & Bob (Alice & Bob) and Google Quantum AI (Google) both sit in Quantum. Google Quantum AI shipped more tracked changes in the last 30 days (8 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Alice & Bob Alice & Bob | Google Quantum AI |
|---|---|---|
| Segment | Quantum | Quantum |
| Version | Boson 4 | Cirq |
| Entry cost | Cloud + partnerships | Free and open-source library |
| Pricing tiers | — | Cirq Open Source Library free |
| Model stack | cat qubit | Cirq · Willow · Willow QPU |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 8 |
| Origin | EU | Global |
| Capabilities | Cat qubits, Bit-flip protection, Roadmap to 100 logical | 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 →