Meta announces Muse Spark
Announced Muse Spark — the first MSL model, in private preview for selected partners
Why it matters
The replacement of the Llama brand and the shift to closed
Source — Primary sources first; secondary reports are labelled “Press”
Officialabout.fb.comhttps://about.fb.com/news/2026/04/introducing-muse-spark-meta-superintelligence-labs/Added in Week 35, 2026 · See that week