Compare / Muse Spark 1.1 vs GPT-5 Nano

Muse Spark 1.1 vs GPT-5 Nano

11 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Muse Spark 1.1
Meta · profile
GPT-5 Nano
OpenAI · profile
Results compared
11
Shared sources
3
BenchmarkMetricMuse Spark 1.1GPT-5 Nano
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4931,339
Arena (formerly LMArena)reportedCreative writingArena rating 1,4491,247
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5041,354
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4731,327
Arena (formerly LMArena)reportedOverallArena rating 1,4911,338
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4601,289
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 33.713.0
Artificial AnalysisreportedGPQA Diamond% of questions 89.8%67.6%
Artificial AnalysisreportedHumanity's Last Exam% of questions 46.2%9.5%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 77.7%45.0%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 57.8%11.7%

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.