Compare / Kimi K2.5 vs GPT-5.6 Terra

Kimi K2.5 vs GPT-5.6 Terra

23 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
GPT-5.6 Terra
OpenAI · profile
Results compared
23
Shared sources
5
BenchmarkMetricKimi K2.5GPT-5.6 Terra
Arena (formerly LMArena)reportedOverallArena rating 1,4361,477
Arena (formerly LMArena)reportedOverallArena rating 1,4451,467
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4411,466
Arena (formerly LMArena)reportedCreative writingArena rating 1,4231,428
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4831,504
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4391,462
Arena (formerly LMArena)reportedOverallArena rating 1,4501,465
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4281,445
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 46.876.7
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 23.542.1
Artificial AnalysisreportedGPQA Diamond% of questions 87.9%92.5%
Artificial AnalysisreportedHumanity's Last Exam% of questions 30.7%42.9%
Artificial AnalysisreportedIFBench% of instructions 70.2%71.2%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 78.0%83.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 45.7%88.0%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 34.8%62.9%
Artificial AnalysisreportedΤ-bench banking% of tasks 14.2%40.2%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 95.9%86.3%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 34.3%43.2%
UGI LeaderboardreportedRequested-length error% off the requested word count 10.0%22.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.340.39
UGI LeaderboardreportedWriting scorescore out of 100 62.460.4
Vending-Bench 2reportedMoney after a yearUS dollars $1,198.46$7,343.21

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.