Meta has introduced an open-weight model that can run on a user’s desktop using two Apple M5 Ultra Mac Studios with the latest MLX framework, Meta said in a Thursday (Oct. 15) press release.
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The model, Muse Spark Open, is “the most capable U.S. open-weight model to date,” Meta said in the release. It is natively multimodal and has 816 billion total parameters (42 billion active) and a one million-token context window, according to the release.
Muse Spark Open is built for coding and agentic work, and it excels at long-horizon tasks, complex software engineering and multi-step reasoning, per the release.
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Meta Founder, Chairman and CEO Mark Zuckerberg said in a Thursday post on X: “Muse Spark Open — weights releasing today — runs great on new Mac Studios thanks to work with [Apple CEO John Ternus] and Apple.”
In a reply to Zuckerberg’s post, Ternus said: “Congrats to the team! Amazing to run a model of Muse Spark Open’s caliber and scale this efficiently, right from your desk. Mac Studio keeps pushing the boundaries of on-device AI!”
Apple published an article on its Machine Learning Research website that shows how AI researchers and developers can run Muse Spark Open, a frontier-class model , from their desk, using a version of MLX that was released Thursday.
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