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Meta

Muse release dates and model history

Latest Muse model: Muse Spark Open, released October 15, 2026. Every Muse release date with sources, checked every 5 minutes.

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About this model family

Muse is the model line of Meta Superintelligence Labs. Muse Spark arrived in April 2026, then opened to developers as 1.1 in July. Versions came almost every month since: 1.2 with the Muse Code agent in August, the open-weight Muse Glimmer a few days later, then 1.3 in September. On 12 October 2026, Meta moved up a tier with Muse Wonder, its new family of frontier models. Three days later, Muse Spark Open put an 816B model with public weights in everyone's hands.

Release history

Dates come from the cited sources. A catalog listing date can differ from the first public release. Dates below use UTC.

  1. Muse Spark Open

    Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and deep codebase understanding across the repos developers...

    AI at Meta · Muse Spark Open

  2. Muse Wonder

    Muse Wonder is a frontier reasoning model from Meta, designed for complex personal and professional agentic tasks. It accepts text, images, video, audio, and PDF documents and returns text, with...

    Meta · Introducing Muse Wonder

  3. Muse Spark 1.3

    Muse 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...

    AI at Meta · Muse Spark 1.3

  4. Muse Glimmer 30B

    Muse Glimmer 30B is a dense, open-weight multimodal model from Meta Superintelligence Labs, distilled from Muse Spark and optimized for autonomous agents on consumer hardware. It is suited for long-horizon...

    AI at Meta · Muse Glimmer

  5. Muse Glimmer

    Muse Glimmer, a 30B model with public weights, came out on 10 August 2026. Public date from the family biography or the public catalogue; a listing date is not always the release day.

    Hugging Face · meta-models

  6. Muse Spark 1.2

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

    AI at Meta · Muse Code and Muse Spark 1.2

  7. Muse Spark 1.1

    Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. It accepts text, images, video, and PDF documents and returns text, with a 1M-token context window....

    AI at Meta · Muse Spark 1.1

  8. Muse Spark

    Meta introduced Muse Spark in April 2026, the first model of Meta Superintelligence Labs. Public date from the family biography or the public catalogue; a listing date is not always the release day.

    Meta · Introducing Muse Spark

Questions about Muse

What is the latest Muse model?
Muse Spark Open, released on October 15, 2026.
What is the next Muse model?
No next Muse model has been announced yet.
How often does Meta release a new Muse model?
About every 23 days over the last 12 months (median gap between releases).

Sources and references

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