Compare / Claude Opus 5 vs Gemini 3.6 Flash

Claude Opus 5 vs Gemini 3.6 Flash

24 results from 5 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 3.6 Flash
Google · profile
Results compared
24
Shared sources
5
BenchmarkMetricClaude Opus 5Gemini 3.6 Flash
APEX-AgentsreportedTasks passed% of tasks 65.8%46.9%
Arena (formerly LMArena)reportedConfirmed task successIPS effect estimate 0.10-0.08
Arena (formerly LMArena)reportedPraise over complaintIPS effect estimate 0.18-0.09
Arena (formerly LMArena)reportedSteerabilityIPS effect estimate 0.11-0.04
Arena (formerly LMArena)reportedTool groundingIPS effect estimate 0.000.00
Arena (formerly LMArena)reportedOverallArena rating 1,4901,453
Arena (formerly LMArena)reportedOverallArena rating 1,4881,470
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4861,472
Arena (formerly LMArena)reportedCreative writingArena rating 1,4721,469
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5431,500
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4971,473
Arena (formerly LMArena)reportedOverallArena rating 1,4911,482
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4821,472
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 78.069.2
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 50.834.0
Artificial AnalysisreportedGPQA Diamond% of questions 93.7%92.8%
Artificial AnalysisreportedHumanity's Last Exam% of questions 54.9%40.8%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 82.0%80.0%
Artificial AnalysisreportedSciCode% of problems 56.4%53.4%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 89.1%77.5%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 49.0%7.1%
Artificial AnalysisreportedΤ-bench banking% of tasks 44.7%29.9%
GDP.pdfreportedProfessional document tasks% of rubric 24.0%14.0%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 59.9%66.2%

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.