Meta launches new Muse Spark Open model, optimized to run on Mac Studio

By Chance Miller · 9to5Mac · Thursday, 15 October 2026 at 17:00 (1h ago) · Original article ↗

Meta today unveiled Muse Spark Open, which it says is the “most capable US open-weight model to date.” For Apple users, Meta says Muse Spark Open is optimized to run on the Mac Studio powered by M5 Ultra.

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