Compare / Kimi K2.6 vs GPT-5.6 Luna

Kimi K2.6 vs GPT-5.6 Luna

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

Kimi K2.6
Moonshot AI · profile
GPT-5.6 Luna
OpenAI · profile
Results compared
23
Shared sources
6
BenchmarkMetricKimi K2.6GPT-5.6 Luna
Arena (formerly LMArena)reportedOverallArena rating 1,4501,462
Arena (formerly LMArena)reportedOverallArena rating 1,4561,461
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4551,463
Arena (formerly LMArena)reportedCreative writingArena rating 1,4331,412
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5031,491
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4561,446
Arena (formerly LMArena)reportedOverallArena rating 1,4611,454
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4411,435
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 61.871.4
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 27.037.3
Artificial AnalysisreportedGPQA Diamond% of questions 91.1%91.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 37.5%39.5%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 81.0%83.7%
Artificial AnalysisreportedSciCode% of problems 51.5%53.6%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 65.9%80.9%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 0.5%11.6%
Artificial AnalysisreportedΤ-bench banking% of tasks 23.3%31.1%
GDP.pdfreportedProfessional document tasks% of rubric 12.0%22.7%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 34.9%41.0%
UGI LeaderboardreportedRequested-length error% off the requested word count 18.0%15.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.350.38
UGI LeaderboardreportedWriting scorescore out of 100 64.453.7
Vending-Bench 2reportedMoney after a yearUS dollars $6,204.57$4,094.71

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.