Meta Releases Muse Spark Open, Its 816B-Parameter Open-Weight AI Model
Key Highlights: Meta has released Muse Spark Open, an open-weight AI model designed to handle advanced coding and agentic tasks while giving developers more flexibility in how they run AI systems. The model has 816 billion total parameters, 42 billion of which are active, and a 1-million-token context window. Meta says it is the most capable US open-weight model to date and has made its weights available through multiple platforms. One of the launch’s key features is its ability to run on a desktop setup using two Apple M2 Ultra Mac Studios, bringing a model of this magnitude to locally […]














