Compare / Muse Spark 1.2 vs Grok 4.3

Muse Spark 1.2 vs Grok 4.3

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

Muse Spark 1.2
Meta · profile
Grok 4.3
xAI · profile
Results compared
18
Shared sources
4
BenchmarkMetricMuse Spark 1.2Grok 4.3
Arena (formerly LMArena)reportedOverallArena rating 1,4841,428
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,5191,440
Arena (formerly LMArena)reportedCreative writingArena rating 1,4481,423
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5021,452
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4751,415
Arena (formerly LMArena)reportedOverallArena rating 1,4961,442
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4721,424
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 72.242.2
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 39.624.9
Artificial AnalysisreportedGPQA Diamond% of questions 90.4%90.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 45.5%37.2%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 79.0%75.0%
Artificial AnalysisreportedSciCode% of problems 57.4%48.3%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 80.2%39.7%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 7.1%0.0%
Artificial AnalysisreportedΤ-bench banking% of tasks 34.8%12.4%
GDP.pdfreportedProfessional document tasks% of rubric 16.0%8.0%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 60.3%33.2%

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.