Meta Releases First Leading-Edge Models, Muse Wonder and Wonder Full

Meta's Superintelligence Lab released Muse Wonder and Muse Wonder Full on Oct. 12, 2026, its first frontier models, systems at the leading edge. Both are larger than Muse Spark, with higher test scores and stronger performance on coding and other complex work. Meta says they match Fable 5.1 and GPT-6 Astra. Both will power the Muse agent.