Compare / Claude Sonnet 4 vs Mistral Medium 3.1

Claude Sonnet 4 vs Mistral Medium 3.1

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

Claude Sonnet 4
Anthropic · profile
Mistral Medium 3.1
Mistral · profile
Results compared
11
Shared sources
3
BenchmarkMetricClaude Sonnet 4Mistral Medium 3.1
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3871,407
Arena (formerly LMArena)reportedCreative writingArena rating 1,3951,378
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4331,410
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4151,395
Arena (formerly LMArena)reportedOverallArena rating 1,4021,408
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3981,386
UGI LeaderboardreportedRequested-length error% off the requested word count 4.0%27.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.360.39
UGI LeaderboardreportedWriting scorescore out of 100 63.739.5
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 98.6%99.7%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 10.3%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.