Compare / Claude Sonnet 4.5 vs grok-4-0709
Claude Sonnet 4.5 vs grok-4-0709
18 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 | grok-4-0709 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,449 | 1,419 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,461 | 1,395 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,454 | 1,395 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,498 | 1,431 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,464 | 1,397 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,457 | 1,411 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,454 | 1,399 |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Irrelevance detection% correct | 95.0% | 84.3% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Memory% correct | 65.0% | 55.9% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Multi-turn tasks% correct | 61.4% | 47.0% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Overall accuracy% correct | 73.2% | 63.0% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Relevance detection% correct | 68.8% | 87.5% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Single-turn calls (curated)% correct | 88.7% | 85.4% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Single-turn calls (user-contributed)% correct | 81.1% | 75.6% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Web search% correct | 81.0% | 82.0% |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 5.0% | 17.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.41 | 0.36 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 66.9 | 67.0 |
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.