Compare / Claude Sonnet 4.5 vs Kimi K2 0711
Claude Sonnet 4.5 vs Kimi K2 0711
17 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Claude Sonnet 4.5 | Kimi K2 0711 |
|---|---|---|---|
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,461 | 1,409 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,454 | 1,371 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,498 | 1,417 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,464 | 1,381 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,457 | 1,418 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,454 | 1,375 |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Irrelevance detection% correct | 95.0% | 87.3% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Memory% correct | 65.0% | 29.0% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Multi-turn tasks% correct | 61.4% | 50.6% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Overall accuracy% correct | 73.2% | 59.1% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Relevance detection% correct | 68.8% | 75.0% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Single-turn calls (curated)% correct | 88.7% | 81.6% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Single-turn calls (user-contributed)% correct | 81.1% | 78.7% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Web search% correct | 81.0% | 66.5% |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 5.0% | 22.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.41 | 0.29 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 66.9 | 52.5 |
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.