Compare / Claude Opus 5 vs gemini-3-pro

Claude Opus 5 vs gemini-3-pro

12 results from 2 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-3-pro
Google · profile
Results compared
12
Shared sources
2
BenchmarkMetricClaude Opus 5gemini-3-pro
Arena (formerly LMArena)reportedOverallArena rating 1,4901,451
Arena (formerly LMArena)reportedOverallArena rating 1,4881,481
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4861,474
Arena (formerly LMArena)reportedCreative writingArena rating 1,4721,484
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5431,498
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4971,473
Arena (formerly LMArena)reportedOverallArena rating 1,4911,485
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4821,481
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 50.828.0
Artificial AnalysisreportedGPQA Diamond% of questions 93.7%90.8%
Artificial AnalysisreportedHumanity's Last Exam% of questions 54.9%39.7%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 82.0%76.0%

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.