Compare / Claude Opus 4.6 vs Claude Opus 4.7

Claude Opus 4.6 vs Claude Opus 4.7

22 results from 5 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Claude Opus 4.6
Anthropic · profile
Claude Opus 4.7
Anthropic · profile
Results compared
22
Shared sources
5
BenchmarkMetricClaude Opus 4.6Claude Opus 4.7
Arena (formerly LMArena)reportedOverallArena rating 1,4951,494
Arena (formerly LMArena)reportedOverallArena rating 1,2231,212
Arena (formerly LMArena)reportedOverallArena rating 1,4941,477
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,5011,508
Arena (formerly LMArena)reportedCreative writingArena rating 1,5011,488
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5471,535
Arena (formerly LMArena)reportedInstruction followingArena rating 1,5131,503
Arena (formerly LMArena)reportedOverallArena rating 1,5051,502
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,5001,496
OpenHands IndexreportedAverage% resolved 66.7%69.7%
OpenHands IndexreportedFront end (SWE-Bench Multimodal)% resolved 41.8%48.5%
OpenHands IndexreportedGreenfield (Commit0)% resolved 56.2%56.2%
OpenHands IndexreportedInformation gathering (GAIA)% resolved 80.0%81.2%
OpenHands IndexreportedIssue resolution (SWE-Bench)% resolved 76.8%81.6%
OpenHands IndexreportedTesting (SWT-Bench)% resolved 78.8%80.8%
tau2-benchreportedConsistency (pass^4)% of tasks 11.3%24.7%
tau2-benchreportedTask success (pass^1)% of tasks 27.3%40.2%
UGI LeaderboardreportedRequested-length error% off the requested word count 3.0%1.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.410.41
UGI LeaderboardreportedWriting scorescore out of 100 70.961.4
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 99.8%98.0%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 12.2%12.0%

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.