Compare / Claude Fable 5.1 vs Kimi K2 0905

Claude Fable 5.1 vs Kimi K2 0905

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

Claude Fable 5.1
Anthropic · profile
Kimi K2 0905
Moonshot AI · profile
Results compared
14
Shared sources
3
BenchmarkMetricClaude Fable 5.1Kimi K2 0905
Arena (formerly LMArena)reportedOverallArena rating 1,5011,403
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4851,404
Arena (formerly LMArena)reportedCreative writingArena rating 1,4841,382
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5161,417
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4971,390
Arena (formerly LMArena)reportedOverallArena rating 1,5011,419
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4961,382
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 53.415.3
Artificial AnalysisreportedGPQA Diamond% of questions 93.7%76.7%
Artificial AnalysisreportedHumanity's Last Exam% of questions 59.1%6.4%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 85.3%53.0%
UGI LeaderboardreportedRequested-length error% off the requested word count 3.0%22.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.430.31
UGI LeaderboardreportedWriting scorescore out of 100 63.954.4

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.