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Open-weight & owned stack · Open lab releases

Meta Releases 816B-Parameter Muse Spark Open

Oct 15, 2026, first seen via HuggingFace Blog. Covered by 91 outlets.

Meta released the 816-billion-parameter Muse Spark Open multimodal mixture-of-experts model with public weights, a one-million-token context window, and local execution support on paired Apple M5 Ultr

Read the original at research.meta.aiOpens the publisher's site in a new tab

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