Release Summary
Meta's first Muse family model, a natively multimodal reasoning system for visual chain-of-thought, tool use, coding, and multi-agent orchestration. It complements Meta's open Llama 4 Maverick line with an agent-focused model available through Meta AI and an API preview.
Timeline
April 8, 2026
Muse Spark introduced
Meta introduces Muse Spark as its first natively multimodal reasoning model for agentic tasks.