Kimi K2.5 scores 27.1 on the Respan Index (#73), ahead of NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 at 26.0 (#75). Kimi K2.5 leads on 5 of the 6 benchmarks both report. NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 has the larger context window (1M tokens).
* Estimated: no published scores in that category. How the Respan Index works
| BrowseComp |
| 60.6% |
| 41.4% |
| SWE-bench Verified | 76.8% | 69.7% |
Higher is better. Each score links to where it was published.