Compare / Kimi K2 0905 vs GPT-5.4 Mini

Kimi K2 0905 vs GPT-5.4 Mini

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

Kimi K2 0905
Moonshot AI · profile
GPT-5.4 Mini
OpenAI · profile
Results compared
16
Shared sources
3
BenchmarkMetricKimi K2 0905GPT-5.4 Mini
Arena (formerly LMArena)reportedOverallArena rating 1,4031,447
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4041,460
Arena (formerly LMArena)reportedCreative writingArena rating 1,3821,402
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4171,480
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3901,434
Arena (formerly LMArena)reportedOverallArena rating 1,4191,447
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3821,424
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 15.324.1
Artificial AnalysisreportedGPQA Diamond% of questions 76.7%87.5%
Artificial AnalysisreportedHumanity's Last Exam% of questions 6.4%28.1%
Artificial AnalysisreportedIFBench% of instructions 41.7%73.3%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 53.0%77.0%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 23.5%52.3%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 73.4%83.3%
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 98.6%100.0%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 17.9%5.5%

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.