Muse Spark scores 32.7 on the Respan Index (#61), ahead of GPT-5.4 mini at 31.2 (#63). Muse Spark leads on 3 of the 6 benchmarks both report.
* Estimated: no published scores in that category. How the Respan Index works
| 52.4% |
| Terminal-Bench 2.0 | 60% | 59% |
Higher is better. Each score links to where it was published.