# Muse Spark 1.3

Muse Spark 1.3 is a model from Meta, released on 2 Sep 2026.

- Developer: Meta
- Id: muse-spark-1-3
- Reported: 2026-11-14T05:59:19.000Z
- Released: 2026-09-02T00:00:00.000Z
- Sighting: 2026-11-13T19:38:16.656Z
  - [evidence link](https://research.meta.ai/blog/introducing-muse-spark-1-3)
- Status: Released
- API availability: 2026-09-02
  - [evidence link](https://research.meta.ai/blog/introducing-muse-spark-1-3)
- Canonical: https://alexgetman.com/models/meta/muse-spark-1-3-3/

## Questions

### When was Muse Spark 1.3 released?

On 2 Sep 2026.

## Timeline

- 2026-11-15T11:03:09.568Z · [GitHub search · Meta · pulls · PBJ-2/clauderipple · @csa906](https://github.com/PBJ-2/clauderipple/pull/166)
> offer ($0.10 in, $0.20 out), not AA's plain `muse-spark-1-3` ($1.25, $4.25), so an alias to that base would have priced them 12 to 21 times

## Evidence links

- [GitHub search · Meta · pulls · PBJ-2/clauderipple · @csa906](https://github.com/PBJ-2/clauderipple/pull/166)
- [meta-articles](https://research.meta.ai/blog/introducing-muse-spark-1-3)

## Signals