Muse Wonder Full trains on your code by default — you have to opt out
Meta's strongest model, Muse Wonder Full — available only on $50/$200-per-month Muse Code plans — trains on subscribers' code by default unless switched off. Independent benchmarks put Wonder Full at 56 points on the Artificial Analysis index, below Claude Opus 5.5 at 58. Privacy default worth knowing before wiring the model into a codebase.