Compare / Claude Opus 4.7 vs Mistral Medium 3.1

Claude Opus 4.7 vs Mistral Medium 3.1

12 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Claude Opus 4.7
Anthropic · profile
Mistral Medium 3.1
Mistral · profile
Results compared
12
Shared sources
3
BenchmarkMetricClaude Opus 4.7Mistral Medium 3.1
Arena (formerly LMArena)reportedOverallArena rating 1,4771,429
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,5081,407
Arena (formerly LMArena)reportedCreative writingArena rating 1,4881,378
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5351,410
Arena (formerly LMArena)reportedInstruction followingArena rating 1,5031,395
Arena (formerly LMArena)reportedOverallArena rating 1,5021,408
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4961,386
UGI LeaderboardreportedRequested-length error% off the requested word count 1.0%27.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.410.39
UGI LeaderboardreportedWriting scorescore out of 100 61.439.5
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 98.0%99.7%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 12.0%22.7%

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.