GoKawiilMeta releases open-weight Muse Spark Open LLM, optimized for Apple's Mac Studio
Meta launched an open-weight version of its Muse Spark LLM called Muse Spark Open, allowing users to download and run the model on their own hardware rather than access it only via cloud service. The model has 816 billion parameters and a 1-million-token context window, which Meta says makes it the most capable open-weight model available in the U.S. Apple collaborated with Meta to ensure the model runs efficiently on Mac Studio hardware.
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The collaboration suggests Apple may be positioning its Mac Studio line as a preferred platform for running large open-weight AI models locally, which could appeal to developers wary of cloud-based AI costs or privacy concerns. Meta's push for open-weight models continues to contrast with rivals who keep their most capable systems closed, potentially shaping how enterprises and researchers access cutting-edge AI. The partnership also hints at growing interest from hardware makers in supporting massive local AI workloads as model sizes increase.
- Meta released Muse Spark Open, an open-weight LLM with 816 billion parameters and a 1-million-token context window.
- Apple worked with Meta to optimize the model's performance on Mac Studio hardware.
- Meta claims Muse Spark Open is the most capable open-weight model currently available in the U.S.
Apple Mac Studio (M-series) — If you want to actually run large open-weight models like Muse Spark Open locally, the Mac Studio's unified memory architecture makes it one of the few consumer machines capable of handling massive parameter counts. It's a natural fit for developers and AI enthusiasts looking to experiment with cutting-edge local LLMs without relying on the cloud.a
See Apple Mac Studio (M-series) on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: fastcompany.com, 2026-10-16
Published there as: “Meta and Apple agree on at least one thing: Open-weight AI is cool”
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