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Meta Releases Muse Spark Open, an Over 800 Billion Parameter Model That Can Run Locally on Multiple M5 Ultra Mac Studios
MacStories·October 15, 2026·1 min read
AI Summary
Meta has released Muse Spark Open, a multimodal large language model featuring a mixture-of-experts architecture with over 800 billion total parameters and 40 billion active per token. The model's weights are now publicly available and it can run locally on the latest Mac Studio systems equipped with M5 Ultra chips.
From the source
Meta just released the weights for Muse Spark Open, a multimodal large language model with a mixture-of-experts architecture. It has over 800 billion parameters in total, with 40 billion active per token, and it can run on the latest Mac Studios. Meta worked …
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