Compare / Claude Opus 4.7 vs Claude Opus 4.8
Claude Opus 4.7 vs Claude Opus 4.8
20 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 | Claude Opus 4.8 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,494 | 1,486 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,212 | 1,195 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,477 | 1,469 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,508 | 1,490 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,488 | 1,467 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,535 | 1,525 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,503 | 1,491 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,502 | 1,480 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,496 | 1,474 |
| OpenHands Indexreported | Average% resolved | 69.7% | 71.9% |
| OpenHands Indexreported | Front end (SWE-Bench Multimodal)% resolved | 48.5% | 50.0% |
| OpenHands Indexreported | Greenfield (Commit0)% resolved | 56.2% | 62.5% |
| OpenHands Indexreported | Information gathering (GAIA)% resolved | 81.2% | 78.8% |
| OpenHands Indexreported | Issue resolution (SWE-Bench)% resolved | 81.6% | 83.8% |
| OpenHands Indexreported | Testing (SWT-Bench)% resolved | 80.8% | 84.3% |
| tau2-benchreported | Consistency (pass^4)% of tasks | 24.7% | 22.7% |
| tau2-benchreported | Task success (pass^1)% of tasks | 40.2% | 39.7% |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 1.0% | 6.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.41 | 0.40 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 61.4 | 65.9 |
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.