Compare / Kimi K3 vs GPT-5

Kimi K3 vs GPT-5

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

Kimi K3
Moonshot AI · profile
GPT-5
OpenAI · profile
Results compared
15
Shared sources
3
BenchmarkMetricKimi K3GPT-5
Arena (formerly LMArena)reportedOverallArena rating 1,4721,421
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4891,413
Arena (formerly LMArena)reportedCreative writingArena rating 1,4581,373
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5331,460
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4861,410
Arena (formerly LMArena)reportedOverallArena rating 1,4881,435
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4751,397
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 76.237.8
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 43.623.0
Artificial AnalysisreportedGPQA Diamond% of questions 93.5%85.4%
Artificial AnalysisreportedHumanity's Last Exam% of questions 46.9%28.5%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 88.7%78.2%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 85.0%35.2%
Artificial AnalysisreportedΤ-bench banking% of tasks 46.0%22.1%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 50.6%50.1%

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.