Meta launches Muse Wonder, new frontier reasoning model for personal and professional agents

Meta has released Muse Wonder and Muse Wonder Full, frontier reasoning models designed to power personal and professional AI agents through sustained task completion, now available to developers and Muse subscribers. The models, released on October 12, 2026, integrate two core technical capabilities: Active Memory, which retains user context and preferences across conversations, and Active Focus, which enables agents to try alternative approaches, work through blockers, and request clarification when faced with complex or ambiguous tasks.