Compare / Claude Opus 5 vs Gemini 2.5 Pro

Claude Opus 5 vs Gemini 2.5 Pro

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

Claude Opus 5
Anthropic · profile
Gemini 2.5 Pro
Google · profile
Results compared
11
Shared sources
3
BenchmarkMetricClaude Opus 5Gemini 2.5 Pro
Arena (formerly LMArena)reportedOverallArena rating 1,4901,431
Arena (formerly LMArena)reportedOverallArena rating 1,4881,462
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4861,437
Arena (formerly LMArena)reportedCreative writingArena rating 1,4721,443
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5431,458
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4971,438
Arena (formerly LMArena)reportedOverallArena rating 1,4911,446
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4821,445
tau2-benchreportedConsistency (pass^4)% of tasks 32.0%1.0%
tau2-benchreportedTask success (pass^1)% of tasks 48.7%13.7%
Vending-Bench 2reportedMoney after a yearUS dollars $11,181.87$573.64

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.