Introducing Muse Spark Open, The Most Capable US Open‑Weight Model to Date
Summary
Meta announces Muse Spark Open, a 816B parameter open-weight AI model optimized for desktop on Apple Silicon. It supports on-device, agentic work with a 1M-token context, and weights are freely accessible via multiple platforms with a Muse Model License. The release emphasizes safety, on-device performance, and onboarding tools for developers to run and tune the model locally.