Muse Spark 1.3
Muse Spark 1.3 is a Meta model announced on September 2, 2026.
- Lab
- Meta
- Release date
- Status
- Generally available
Meta announced Muse Spark 1.3 on September 2, 2026. Meta says Muse Spark 1.3 with max reasoning is available on Muse Code and the Meta Model API. Meta lists a Muse Spark open-weights release as part of its upcoming roadmap; Muse Spark 1.3 itself was not released as open weights.
- Availability
- Muse Code; Meta Model API.
- Official source
- research.meta.ai
- Last checked
Questions
When was Muse Spark 1.3 released?
Meta announced Muse Spark 1.3 on September 2, 2026.
Where is Muse Spark 1.3 available?
Meta says Muse Spark 1.3 with max reasoning is available on Muse Code and the Meta Model API.
Is Muse Spark 1.3 open weights?
No. Muse Spark 1.3 was not released as open weights; Meta lists a Muse Spark open-weights release as part of its upcoming roadmap.
Source
Release dates, model IDs and limits come from each lab’s own announcement, changelog, documentation or deprecations page, linked on every model with the date it was last checked. How we pick and check sources: editorial standards.