Meta releases Muse Spark Open, a model anyone can download
Meta released Muse Spark Open, an open-weight AI model that developers can download from Hugging Face or use through services such as OpenRouter and Groq.
October 15, 2026 · Launch
Meta released Muse Spark Open, an open-weight AI model that developers can download from Hugging Face or use through services such as OpenRouter and Groq. Meta calls it the most capable US open-weight model yet and says it is strong at long, multi-step tasks and coding. It needs serious hardware, such as two top-end Mac Studios, and its licence limits some commercial use.
Why it matters to you: Open models let schools, businesses and governments run powerful AI on their own machines, so sensitive data never has to leave the building.
Source: Meta AI
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