Key Info

Meta has released Muse Spark Open, described as the most capable US open-weight model to date, and it is now available in Cline. The model is optimized to run on Apple M5 Ultra Mac Studios using the latest MLX framework, in collaboration with Apple.

Highlights

  • Muse Spark Open is built for coding and agentic work, excelling at long-horizon tasks, complex software engineering, and multi-step reasoning
  • Specs: 816B total / 42B active parameters, 1M token context window
  • Optimized for Apple M5 Ultra Mac Studios via the latest MLX framework, in collaboration with Apple
  • Available in Cline via npm i -g cline or the new desktop app