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Muse Spark 1.2

Parameters

Undisclosed

Context Length

1.05M

Modality

Multimodal

Architecture

Undisclosed

License

Proprietary

Release Date

5 Aug 2026

Knowledge Cutoff

-

API Pricing (per 1M)

Input: $1.25 · Output: $4.25

Evaluation Benchmarks

Rank

#30

BenchmarkScoreRank

General Text

Text Arena
max

1500

4

max

0.90

8

LiveBench Average

LiveBench Average
max

0.78

14

max

0.78

15

Agentic Coding

LiveBench Agentic
max

0.58

15

max

0.91

21

max

0.76

22

max

0.78

27

Agentic Index

Artificial Analysis
max

0.43

30

max

0.72

33

Intelligence Index

Artificial Analysis
max

0.40

34

Web Development

WebDev Arena
max

1534

36

Agent Arena

Agent Arena
max

-1.77

37

Rankings

Overall Rank

#30

Coding Rank

#44

About Muse Spark 1.2

Muse Spark 1.2 is a frontier multimodal reasoning model developed by Meta for complex agentic workflows and multi-step problem solving. It accepts text, images, video, audio, and documents across a 1M token context window.

Technical Specifications

Architecture specifications are undisclosed for proprietary models.

About Muse Spark

The Muse Spark model family developed by Meta.


Other Muse Spark Models