$Meta Platforms, Inc.(META)$ Meta is releasing Muse Spark Open, the open-weights version of Muse Spark. The model weights are being put under a license with limited commercial restrictions, which allows many developers to use the model for free. Weights are available for download on Amazon SageMaker AI, Google Cloud Model Garden, Hugging Face, and Microsoft Foundry Models.
Meta says Muse Spark Open is an 816-billion-parameter sparse mixture-of-experts model that activates roughly 42 billion parameters per token. It brings advanced agentic capabilities to desktop computers for the first time on Apple M5 Ultra Mac Studios.
Meta says the model is also available through API platforms including Baseten, Fireworks AI, Groq, Modal, Nebius, OpenRouter, and Together AI.
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