GPT-5.5 scores 52.5 on the Respan Index (#15), ahead of MiMo-V2.6-Flash at 51.1 (#18). GPT-5.5 leads on 4 of the 5 benchmarks both report.
* Estimated: no published scores in that category. How the Respan Index works
| 78.7% |
| 80.8% |
Higher is better. Each score links to where it was published.