Muse rises to top of app charts under Alexandr Wang's leadership

Muse: Muse is Meta's personal AI assistant designed for autonomous task execution, including web browsing, app integration, and secure handling of user data across isolated environments. Launched in early September 2026 under the leadership of Meta's Chief AI Officer Alexandr Wang, it quickly rose to the top of app charts and positioned Meta more competitively in the AI space. Internal development involved coordination across Meta's AI teams, with some friction noted among legacy groups. Alexandr Wang: Alexandr Wang serves as Meta's Chief AI Officer and leads Meta Superintelligence Labs, having joined from founding Scale AI in a major 2025 deal. He has driven the development and promotion of Muse, including public advocacy through essays and frequent X posts highlighting its capabilities as a personal agent. His efforts have helped elevate Meta's AI offerings while navigating internal dynamics at the company. Reception: Muse achieved strong early adoption, climbing to the top of app store charts and generating significant positive user feedback on practical applications. Product Launch: Muse was rolled out in September 2026 as Meta's always-on personal AI assistant capable of secure app connections and autonomous actions. Industry Context: Meta has positioned Muse as a flagship product in its broader push to compete in advanced AI assistants and agentic systems.