Muse Spark Open: 816B MoE Model With 1M Context
Muse Spark Open is Meta’s newly released open-weight AI model, announced on October 15, 2026. With 816 billion total parameters, 42 billion active parameters and a context window of 1,048,576 tokens, Muse Spark Open is designed for coding agents, long-running software engineering tasks and multimodal reasoning. The release makes the model weights available to developers, […]
