Meta releases Muse Wonder for agent work
Muse Wonder and Muse Wonder Full are Meta's new models for personal and professional agent tasks, available in the Meta Model API and Muse Code.
Official source (opens in a new tab)
On 12 October 2026 Meta introduced Muse Wonder and Muse Wonder Full. The research post describes them as the most capable Muse models for personal and professional agent tasks, combining Active Memory and Active Focus. Muse Wonder is available through the Meta Model API and Muse Code. Muse Wonder Full is available for Muse Code subscribers. Meta says Muse Wonder will later power Muse itself, starting with subscribers.
Who it's for: people building or using agents on Meta's API and Muse Code, not a general chat replacement announced for every Meta app today.
Fits: Best Agent Builder.