Meta pairs Zuckerberg’s open AI manifesto with two new models
Meta announced Muse Glimmer and developer access to Muse Spark 1.2 on August 10, 2026, as CEO Mark Zuckerberg published a 6,500-word case for distributing advanced AI more widely. The release puts Meta’s product strategy behind that argument, but public details do not yet settle access terms, model performance or whether openness reduces risk.
