Compare / Claude Opus 4.5 vs MiniMax M2.5

Claude Opus 4.5 vs MiniMax M2.5

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

Claude Opus 4.5
Anthropic · profile
MiniMax M2.5
MiniMax · profile
Results compared
18
Shared sources
4
BenchmarkMetricClaude Opus 4.5MiniMax M2.5
Arena (formerly LMArena)reportedOverallArena rating 1,4591,386
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4721,400
Arena (formerly LMArena)reportedCreative writingArena rating 1,4691,357
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5031,425
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4831,381
Arena (formerly LMArena)reportedOverallArena rating 1,4741,391
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4671,369
OpenHands IndexreportedAverage% resolved 60.6%45.2%
OpenHands IndexreportedFront end (SWE-Bench Multimodal)% resolved 41.2%25.0%
OpenHands IndexreportedGreenfield (Commit0)% resolved 37.5%12.5%
OpenHands IndexreportedInformation gathering (GAIA)% resolved 69.1%47.9%
OpenHands IndexreportedIssue resolution (SWE-Bench)% resolved 76.6%72.6%
OpenHands IndexreportedTesting (SWT-Bench)% resolved 78.5%68.1%
UGI LeaderboardreportedRequested-length error% off the requested word count 3.0%41.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.390.38
UGI LeaderboardreportedWriting scorescore out of 100 70.441.7
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 98.7%98.2%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 10.9%9.1%

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.