Claude Opus 5 scores 63.9 on the Respan Index (#7), ahead of MiMo-V2.6-Pro at 57.5 (#11). Claude Opus 5 leads on 6 of the 6 benchmarks both report.
* Estimated: no published scores in that category. How the Respan Index works
| 1289 |
| 1245 |
| LMArena WebDev (LMArena) | 1695 | 1618 |
Higher is better. Each score links to where it was published.