Compare / Gemini 3.1 Pro Preview vs Kimi K2.5

Gemini 3.1 Pro Preview vs Kimi K2.5

19 results from 4 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Gemini 3.1 Pro Preview
Google · profile
Kimi K2.5
Moonshot AI · profile
Results compared
19
Shared sources
4
BenchmarkMetricGemini 3.1 Pro PreviewKimi K2.5
Arena (formerly LMArena)reportedOverallArena rating 1,4591,436
Arena (formerly LMArena)reportedOverallArena rating 1,4721,445
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4771,441
Arena (formerly LMArena)reportedCreative writingArena rating 1,4801,423
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5091,483
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4791,439
Arena (formerly LMArena)reportedOverallArena rating 1,4871,450
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4801,428
OpenHands IndexreportedAverage% resolved 60.6%49.2%
OpenHands IndexreportedFront end (SWE-Bench Multimodal)% resolved 44.1%32.8%
OpenHands IndexreportedGreenfield (Commit0)% resolved 25.0%18.8%
OpenHands IndexreportedInformation gathering (GAIA)% resolved 81.8%63.6%
OpenHands IndexreportedIssue resolution (SWE-Bench)% resolved 76.8%68.8%
OpenHands IndexreportedTesting (SWT-Bench)% resolved 75.1%61.9%
UGI LeaderboardreportedRequested-length error% off the requested word count 19.0%10.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.340.34
UGI LeaderboardreportedWriting scorescore out of 100 72.262.4
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 99.4%92.2%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 10.4%14.2%

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.