Compare / Claude Opus 4.6 vs Muse Spark 1.2

Claude Opus 4.6 vs Muse Spark 1.2

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

Claude Opus 4.6
Anthropic · profile
Muse Spark 1.2
Meta · profile
Results compared
13
Shared sources
4
BenchmarkMetricClaude Opus 4.6Muse Spark 1.2
APEX-AgentsreportedTasks passed% of tasks 46.3%36.4%
Arena (formerly LMArena)reportedOverallArena rating 1,4941,484
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,5011,519
Arena (formerly LMArena)reportedCreative writingArena rating 1,5011,448
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5471,502
Arena (formerly LMArena)reportedInstruction followingArena rating 1,5131,475
Arena (formerly LMArena)reportedOverallArena rating 1,5051,496
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,5001,472
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 31.939.6
Artificial AnalysisreportedGPQA Diamond% of questions 89.6%90.4%
Artificial AnalysisreportedHumanity's Last Exam% of questions 39.9%45.5%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 78.0%79.0%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 47.0%60.3%

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.