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Core Architecture and Operation

Muse is an autonomous personal AI agent launched by Meta on September 8, 2026, and powered by the Muse Spark 1.3 model.
Unlike traditional conversational chatbots, it is built to execute multi-step, real-world tasks across applications and websites rather than merely responding to text prompts.
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The agent operates continuously in the background—even after the user closes the application—to track goals, manage schedules, and monitor user activities.

Key Capabilities and Integrations

Muse manages daily email communications, books travel and restaurant reservations, fills out online forms, and coordinates purchases.
It connects with an array of everyday third-party tools and services including Gmail, Google Calendar, WhatsApp, Instagram, Facebook, Ticketmaster, OpenTable, Spotify, Apple Health, Peloton, and Plaid.
Beyond standard productivity, it provides support for financial expense tracking, subscription auditing, and personalized fitness or meal planning.

Security and User Control Framework

User data, credentials, and live tasks are isolated within a dedicated virtual machine environment known as the Muse Secure VM.
A secondary AI watchdog system called Sentinel vets outbound requests and intercepts sensitive steps—such as sending messages or moving money—to require explicit user approval.
For online shopping and payments, Muse uses one-time-use virtual card numbers generated via Stripe's Link service to ensure real payment credentials are never exposed to merchants or the agent itself.

Availability and Pricing Tiers

The assistant is initially available to adults in the United States via a dedicated mobile app on iOS and Android, a web interface at muse.ai, and integrated WhatsApp chats.
Meta provides a usage-limited free tier alongside paid subscription options, such as the Power plan ($20/month) and the Maximum plan ($100/month), which increase available agent usage capacity.
Future feature expansions include integration with Meta's smart glasses platform and a confidential tier offering total end-to-end data encryption.