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Meta · Active

Muse Spark 1.2

muse family · launched 2026-08-05

MultimodalReasoningToolsStructured
AITopic score67.3#32 overall

Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, audio, and PDF documents, returns text, and offers a 1M-token context...

Evidence coverage100%8 evaluations · 3 institutions
Context / maximum output1M / 943.7ktokens
Cache / input / output$0.15 · $1.25 · $4.25USD per million tokens
Value / freshness64.2 / 79relative value · release freshness
Product profile

What this model supports

Inputtext, image, video, pdf
Outputtext
Knowledge cutoffNot disclosed
WeightsProprietary / hosted
Capability profile

Strengths by domain

Coding—1 public results
Research & reasoning—2 public results
Professional work—2 public results
Knowledge & instruction—2 public results
Behind the score

Every result has a source

Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.

Coding1 results

LiveBench 2.0 · CodingLiveBench78.20 scoreReading 78.2

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 evidence

Research & reasoning2 results

LiveBench 2.0 · ResearchLiveBench90.00 scoreReading 90.0

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 evidence
AIHOT · ResearchAIHOT60.80 scoreReading 60.8

Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.

Configuration: AIHOT aggregateOpen evidence

Professional work2 results

AIHOT · ProfessionalAIHOT62.60 scoreReading 62.6

Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.

Configuration: AIHOT aggregateOpen evidence
LiveBench 2.0 · ProfessionalLiveBench50.23 scoreReading 50.2

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 evidence

Knowledge & instruction2 results

LiveBench 2.0 · KnowledgeLiveBench67.70 scoreReading 67.7

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 evidence
AIHOT · KnowledgeAIHOT61.20 scoreReading 61.2

Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.

Configuration: AIHOT aggregateOpen evidence

Human preference & indices4 results

AA IndexArtificial Analysis67.97 indexReading 67.3

Imported from Artificial Analysis. The published 0–100 score is used directly; it is not z-score normalized.

Configuration: Muse Spark 1.2Open evidence
Arena TextLMArena1,482.7 EloReading 67.3

Direct LMArena text leaderboard result.

Open evidence
LiveBenchLiveBench62.40 scoreReading 62.4

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 evidence
AIHOT aggregate leaderboardAIHOT60.50 scoreReading 60.5

Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.

Configuration: AIHOT aggregateOpen evidence
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