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Apple and Meta partner to run 816B parameter Muse Spark on Macs

10/16/2026

Apple and Meta have joined forces to bring Meta's Muse Spark Open, an 816-billion-parameter AI model, to Apple's high-end Macs.

The collaboration allows the model to run locally on two or four connected Mac Studios powered by Apple's M5 Ultra chips, utilizing Apple's MLX framework.

Alexandr Wang, Meta's AI chief, described the partnership as a moment where "mommy and daddy" are playing nice again, marking a significant shift in the relationship between the two companies.

Meta released Muse Spark Open as the most powerful U.S.-developed open-weight AI model available. The model is similar to Meta's existing Muse Spark 1.3 but is designed for broader accessibility.

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