Muse Spark Open
First listed October 20, 2026
Muse Spark Open is a Meta model, released October 2026.
- Status
- Open weights only
- Released October 2026
- Shutdown
- Not on the API
- Nothing to shut down
Meta publishes the weights of muse-spark-open but doesn't serve it on its API, so there is no API shutdown to track. Get the weights
Benchmarks
Scores as each source published themNo comparison. Pick a model to see the difference on each benchmark.
Arena
| Arena | Muse Spark Open | Rank | Date | Source |
|---|---|---|---|---|
| WebDev | 1528 ±17 | 52 of 148 1,380 votes | Oct 19, 2026 | source |
Rated as Muse Spark Open (Max) (max effort). Ratings come from people voting between two anonymous answers. Data: Arena (arena.ai), CC BY 4.0.
Prices
No API prices: Meta doesn't serve this model on its API. Run the weights yourself, or use a host that serves them.
Changelog
Changes we detected on Meta's pages- Added
Meta added muse-spark-open
Info
Email alerts
Get an email if muse-spark-open changes
We'll email you the same morning we spot a deprecation notice, a new or moved shutdown date, or the model leaving Meta's model list.
No password: one email to confirm, and you can unsubscribe any time. Privacy
Last checked · Sources: Meta models, Meta pricing