Meta unveils Muse Spark Open, the new top US open weights model — and it runs on two paired Mac desktops
VentureBeat ● Covered by 25 sources
Meta unveiled Muse Spark Open, an open-weight AI model with 816 billion parameters built to run on consumer hardware. In its benchmarks, Meta reports running it on two paired M5 Ultra Mac Studios while activating 42 billion parameters per token. The release expands Meta’s open-weights options with a model architecture and hardware pairing aimed at making large-scale inference more accessible.
Why it matters
Muse Spark Open is an 816-billion-parameter open-weight model designed to run on relatively affordable consumer hardware. Meta reports benchmark tests on a pair of M5 Ultra Mac Studios, using a mixture-of-experts design that activates 42 billion parameters per token.
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