LLM Reference

Muse Models by AI at Meta

6 models2026Up to 1.05m ctxFrom $0.1/1M input

Last refreshed 2026-09-02. Next refresh: weekly.

Details

ResearcherAI at Meta
Models6
Released2026
Max context1.05m

Capabilities

VisionAll models
MultimodalAll models
ReasoningAll models
JSON / Tool useAll models
Structured Outputs4 of 6 models

Links

Website

About

Muse is Meta's family of models from Meta Superintelligence Labs. Muse Spark 1.1 is the latest multimodal reasoning model for agentic, coding, computer-use, and multimodal workflows, available through Meta AI and public-preview Meta Model API.

Decision facts

Best fit
codingreasoningvision and multimodal work
Capability starting point
Muse Spark 1.3 with 1.05m context and reasoning, JSON / Tool use, structured outputs, and multimodal inputs
Lowest tracked input
Muse Spark 1.3 Contributor · $0.1/1M · Meta Model API
Closest related family
Segment Anything

Current Variants

Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.

6 in view

Use when the workload needs coding, 1.05m context, and reasoning.

2026-09coding1.05m contextreasoning

Use when the workload needs coding, 1.05m context, and reasoning.

2026-09coding1.05m contextreasoning

Use when the workload needs 131k context, 30B parameters, and reasoning.

2026-08131k context30B parametersreasoning

Use when the workload needs reasoning, 1.05m context, and JSON / Tool use.

2026-08reasoning1.05m contextJSON / Tool use

Use when the workload needs coding, 1m context, and reasoning.

2026-07coding1m contextreasoning
Muse SparkCurrent

Use when the workload needs reasoning, JSON / Tool use, and multimodal inputs.

2026-04reasoningJSON / Tool usemultimodal inputs

Release Timeline

4 release groups
2026-09
2 current
Muse Spark 1.3
coding1.05m contextreasoning
Current
Muse Spark 1.3 Contributor
coding1.05m contextreasoning
Current
2026-08
2 current
Muse Glimmer
131k context30B parametersreasoning
Current
Muse Spark 1.2
reasoning1.05m contextJSON / Tool use
Current
2026-07
1 current
Muse Spark 1.1
coding1m contextreasoning
Current
2026-04
1 current
Muse Spark
reasoningJSON / Tool usemultimodal inputs
Current

Specifications(6 models)

Muse model specifications comparison
ModelReleasedContextParametersVisionMultimodalReasoningJSON / Tool useStructured Outputs
Muse Spark 1.32026-091.05mYesYesYesYesYes
Muse Spark 1.3 Contributor2026-091.05mYesYesYesYesYes
Muse Glimmer2026-08131k30BYesYesYesYesNo
Muse Spark 1.22026-081.05mYesYesYesYesYes
Muse Spark 1.12026-071mYesYesYesYesYes
Muse Spark2026-04YesYesYesYesNo

Available From(1 provider)

Pricing

Muse model pricing by provider
ModelProviderInput / 1MOutput / 1MType
Muse Spark 1.3 ContributorMeta Model API$0.1$0.2Serverless
Muse Spark 1.1Meta Model API$1.25$4.25Serverless
Muse Spark 1.2Meta Model API$1.25$4.25Serverless
Muse Spark 1.3Meta Model API$1.25$4.25Serverless