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Muse Spark 1.1

Parameters

Undisclosed

Context Length

1.05M

Modality

Multimodal

Architecture

Undisclosed

License

Proprietary

Release Date

16 Jul 2026

Knowledge Cutoff

-

API Pricing (per 1M)

Input: $1.25 · Output: $4.25

Evaluation Benchmarks

Rank

#44

BenchmarkScoreRank

General Text

Text Arena

1492

10

Agentic Coding

LiveBench Agentic
max

0.59

12

max

0.88

18

max

0.75

24

LiveBench Average

LiveBench Average
max

0.75

24

Web Development

WebDev Arena

1541

25

max

0.77

26

max

0.73

30

max

0.87

31

Agent Arena

Agent Arena

-0.9

35

Intelligence Index

Artificial Analysis
max

0.43

36

max

0.71

38

Agentic Index

Artificial Analysis
max

0.28

52

Rankings

Overall Rank

#44

Coding Rank

#39

About Muse Spark 1.1

Muse Spark 1.1 is a frontier multimodal reasoning model developed by Meta for complex agentic workflows. It supports a 1M-token context window across text, image, video, audio, and PDF document inputs.

Technical Specifications

Architecture specifications are undisclosed for proprietary models.

About Muse Spark

The Muse Spark model family developed by Meta.


Other Muse Spark Models
Muse Spark 1.1: Model Specifications and Details