Muse Spark (free download) release date
Meta's free version of Muse Spark is out: Muse Spark Open, 816B parameters with about 42B at work per word, on Hugging Face since 15 September and on OpenRouter since 15 October.
Last checked 2 min ago.
What Muse Spark (free download) will offer
- Meta's first downloadable Muse modelNews report
- Size and licence not announcedOur guess
About Muse Spark (free download)
Meta's paid Muse Spark models launched in July 2026. Muse Spark Open, the free-download version, was published on Hugging Face on 15 September 2026 and is also available through OpenRouter.
Details we expect
| Item | What we expect | Source type |
|---|---|---|
| Release | Out since 15 September 2026 | Confirmed |
Still unknown
- Price on hosted services
What we know so far
| Date | What happened | Source type |
|---|---|---|
| Oct 15, 2026 | Muse Spark Open listed on OpenRouter.OpenRouter, Muse Spark Open | Confirmed |
| Sep 15, 2026 | Muse Spark Open weights published on Hugging Face (meta-models/Muse-Spark-Open-816B-A42B).Hugging Face, Muse Spark Open | Confirmed |
| Jul 9, 2026 | Muse Spark 1.1 launched as Meta's first paid model.Victor Grosser, Jul–Oct 2026 recap | Confirmed |
Frequently asked questions
When will Muse Spark (free download) be released?
Our most likely date is Mar 15, 2027. We give it a 43% chance of launching between Dec 1, 2026 and Aug 31, 2027. Meta has not announced anything.
Is Muse Spark (free download) out yet?
Not as of Oct 26, 2026. This page switches to launch facts the day it ships.
How much will Muse Spark (free download) cost?
No price has been announced yet.
What can I use while I wait?
See our Use now instead page for the best available options.
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