Claude Sonnet 5.5 scores 68.5 on the Respan Index (#6), ahead of MiMo-V2.6-Pro at 57.5 (#11). Claude Sonnet 5.5 leads on 6 of the 7 benchmarks both report.
* Estimated: no published scores in that category. How the Respan Index works
| 1268 |
| 1245 |
| LMArena WebDev (LMArena) | 1786 | 1618 |
| Terminal-Bench 4.0 | 70.6% | 34.9% |
Higher is better. Each score links to where it was published.