B Grade B
Google Willow: Randomized benchmarking
3.5 × 10⁻⁴ error per gate
As stated in the source: “0.035% ± 0.029% single-qubit gate error, mean, simultaneous”
Uncertainty: 0.00006 to 0.00064 (0.035% ± 0.029% as stated).
Caveats
Error, not fidelity. Vendor-reported. Chip 2 lists 0.036% ± 0.013%.
- Set-up
- Single-qubit gates, mean across device, simultaneous operation.
- Method
- Single-qubit randomized benchmarking, reported as average error
- Compared only with
- results in the group “single qubit mean simultaneous”
- Measured
- Not stated
- Published
- 9 December 2024
- Measured by
- Google Quantum AI
- Independent of the maker
- No
- Peer-reviewed
- No
- Repeated by others
- Not yet
Source
Willow Spec Sheet, Google Quantum AI. Company technical document.
History
- 27 October 2026: added
Spotted a mistake? Report an error, quoting r-000007.