Meta launches Muse, a personal agent powered by Muse Spark 1.3 that takes actions for you

AIatMeta · x · 2026-09-09

Meta AI announced Muse, a personal agent powered by the Muse Spark 1.3 model, positioned as an agent that actually gets things done for you, alongside a design blog explaining the product thinking.

Key points: Muse's system prompt opens with "Your purpose is to make your user's life better"; the team describes it as a proactive model holding far more context, capable of generating its own experience — requiring novel decisions around interaction, creation, and keeping user data and actions safe. The launch narrative centers on reclaiming time with loved ones, with deeper technical and safety write-ups linked.

Related event: Meta Launches Muse, an Always-On Personal AI Agent(13 posts)→

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