Compare / Kimi K2.5 vs Grok 4.6

Kimi K2.5 vs Grok 4.6

20 results from 5 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Kimi K2.5
Moonshot AI · profile
Grok 4.6
xAI · profile
Results compared
20
Shared sources
5
BenchmarkMetricKimi K2.5Grok 4.6
Arena (formerly LMArena)reportedOverallArena rating 1,4361,461
Arena (formerly LMArena)reportedOverallArena rating 1,4451,449
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4411,447
Arena (formerly LMArena)reportedCreative writingArena rating 1,4231,445
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4831,490
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4391,451
Arena (formerly LMArena)reportedOverallArena rating 1,4501,453
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4281,446
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 46.876.8
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 23.544.3
Artificial AnalysisreportedGPQA Diamond% of questions 87.9%94.9%
Artificial AnalysisreportedHumanity's Last Exam% of questions 30.7%44.1%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 78.0%81.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 45.7%88.4%
Artificial AnalysisreportedΤ-bench banking% of tasks 14.2%50.7%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 34.3%49.3%
UGI LeaderboardreportedRequested-length error% off the requested word count 10.0%25.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.340.36
UGI LeaderboardreportedWriting scorescore out of 100 62.463.3
Vending-Bench 2reportedMoney after a yearUS dollars $1,198.46$9,047.03

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.