Compare / Claude Sonnet 4.6 vs Kimi K3

Claude Sonnet 4.6 vs Kimi K3

20 results from 6 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Claude Sonnet 4.6
Anthropic · profile
Kimi K3
Moonshot AI · profile
Results compared
20
Shared sources
6
BenchmarkMetricClaude Sonnet 4.6Kimi K3
APEX-AgentsreportedTasks passed% of tasks 43.0%50.6%
Arena (formerly LMArena)reportedOverallArena rating 1,4611,472
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4821,489
Arena (formerly LMArena)reportedCreative writingArena rating 1,4491,458
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5061,533
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4751,486
Arena (formerly LMArena)reportedOverallArena rating 1,4721,488
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4551,475
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 63.076.2
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 30.143.6
Artificial AnalysisreportedGPQA Diamond% of questions 87.5%93.5%
Artificial AnalysisreportedHumanity's Last Exam% of questions 33.6%46.9%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 80.0%88.7%
Artificial AnalysisreportedSciCode% of problems 50.1%59.5%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 71.2%85.0%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 3.0%12.6%
Artificial AnalysisreportedΤ-bench banking% of tasks 34.4%46.0%
GDP.pdfreportedProfessional document tasks% of rubric 18.0%19.0%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 35.5%50.6%
Vending-Bench 2reportedMoney after a yearUS dollars $7,204.14$5,165.03

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.