Compare / Claude Opus 4.7 vs GPT-6 Luna

Claude Opus 4.7 vs GPT-6 Luna

13 results from 5 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Claude Opus 4.7
Anthropic · profile
GPT-6 Luna
OpenAI · profile
Results compared
13
Shared sources
5
BenchmarkMetricClaude Opus 4.7GPT-6 Luna
APEX-AgentsreportedTasks passed% of tasks 49.2%44.3%
Arena (formerly LMArena)reportedOverallArena rating 1,4771,422
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,5081,452
Arena (formerly LMArena)reportedCreative writingArena rating 1,4881,403
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5351,505
Arena (formerly LMArena)reportedInstruction followingArena rating 1,5031,443
Arena (formerly LMArena)reportedOverallArena rating 1,5021,442
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4961,415
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 40.738.1
Artificial AnalysisreportedHumanity's Last Exam% of questions 42.3%38.5%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 78.7%83.3%
GDP.pdfreportedProfessional document tasks% of rubric 21.0%23.0%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 51.7%41.4%

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.