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Meta

Is Muse Spark 1.3 out? Yes, since September 2, 2026

Yes. Muse Spark 1.3 was released on September 2, 2026.

A browser notification for each confirmed release in this family. No account or email.

Have you used it? Muse Spark 1.3

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Meta
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Muse
Release date
Source
AI at Meta · Muse Spark 1.3

What changed

  • context 1.05M tokens · Context window of Muse Spark 1.3. Muse Glimmer 30B is the previous model of the same tier, but the gap is beyond what a percentage explains.
  • price $1.25 / MTok · Prompt price of Muse Spark 1.3. Muse Glimmer 30B is the previous model of the same tier, but the gap is beyond what a percentage explains.

About 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...

Next Muse model to watch

No next Muse model has been announced yet.

Questions

When was Muse Spark 1.3 released?
Muse Spark 1.3 was released on September 2, 2026.
Who makes Muse Spark 1.3?
Muse Spark 1.3 is made by Meta.
What comes after Muse Spark 1.3?
Muse Wonder, released on October 12, 2026.