Muse Spark 1.3
muse family · launched 2026-09-02
MultimodalReasoningToolsStructuredMuse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through...
What this model supports
Strengths by domain
Every result has a source
Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.
Coding2 results
LiveBench 2.0 · CodingLiveBench90.20 scoreReading 90.2
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceAIHOT · CodingAIHOT60.80 scoreReading 60.8
Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceResearch & reasoning2 results
LiveBench 2.0 · ResearchLiveBench89.70 scoreReading 89.7
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceAIHOT · ResearchAIHOT64.70 scoreReading 64.7
Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceProfessional work2 results
AIHOT · ProfessionalAIHOT68.10 scoreReading 68.1
Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceLiveBench 2.0 · ProfessionalLiveBench52.70 scoreReading 52.7
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized. Professional = long-agentic, browser, data-analysis and design average.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceKnowledge & instruction2 results
LiveBench 2.0 · KnowledgeLiveBench68.60 scoreReading 68.6
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized. Knowledge uses the published LiveBench research suite.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceAIHOT · KnowledgeAIHOT64.50 scoreReading 64.5
Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceHuman preference & indices4 results
Arena TextLMArena1,490.6 EloReading 71.0
Direct LMArena text leaderboard result.
Open evidenceAA IndexArtificial Analysis68.76 indexReading 69.7
Imported from Artificial Analysis. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceLiveBenchLiveBench65.61 scoreReading 65.6
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceAIHOT aggregate leaderboardAIHOT64.00 scoreReading 64.0
Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidence