Meta Releases Muse Spark Open $META

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