Meta open-sources Muse Spark Open and partners with Apple for local runs
Meta has released the open weights of Muse Spark Open on Hugging Face under the Muse Model License, an 816B-parameter MoE coding and agent model with 42B active parameters and a 1M-token context window, also available on Baseten, Together AI, Amazon SageMaker AI and Google Cloud Model Garden. Meta is partnering with Apple to run the model locally on clustered M5 Ultra Mac Studios, though no timeline, hardware configuration or performance figures were disclosed. Meta says the model is weaker than Muse Wonder, released Monday, and its strongest models remain closed.
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