Meta Superintelligence Labs

weights

closed

data

closed

code

closed

license

Proprietary(meta.ai/Meta AI app + private API preview

No weights released, a closed assistant-surface model; only a private API preview. Fully closed.

• https://ai.meta.com/blog/introducing-muse-spark-msl/ recorded 2026-06-04

  Muse Spark available at meta.ai and Meta AI app + private API preview; no open weights

• https://about.fb.com/news/2026/04/introducing-muse-spark-meta-superintelligence-labs/ recorded 2026-06-04

  Meta primary newsroom post: Muse Spark proprietary (hope to open source future versions); powers Meta AI app/meta.ai + private API preview to select partners