Compare / Claude Opus 4.7 vs Kimi K2.5
Claude Opus 4.7 vs Kimi K2.5
19 results from 4 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Claude Opus 4.7 | Kimi K2.5 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,494 | 1,436 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,477 | 1,445 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,508 | 1,441 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,488 | 1,423 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,535 | 1,483 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,503 | 1,439 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,502 | 1,450 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,496 | 1,428 |
| OpenHands Indexreported | Average% resolved | 69.7% | 49.2% |
| OpenHands Indexreported | Front end (SWE-Bench Multimodal)% resolved | 48.5% | 32.8% |
| OpenHands Indexreported | Greenfield (Commit0)% resolved | 56.2% | 18.8% |
| OpenHands Indexreported | Information gathering (GAIA)% resolved | 81.2% | 63.6% |
| OpenHands Indexreported | Issue resolution (SWE-Bench)% resolved | 81.6% | 68.8% |
| OpenHands Indexreported | Testing (SWT-Bench)% resolved | 80.8% | 61.9% |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 1.0% | 10.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.41 | 0.34 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 61.4 | 62.4 |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 98.0% | 92.2% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 12.0% | 14.2% |
Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.