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Thanks for the open weights, Meta, but how many of us can actually run Muse Spark Open locally?

Meta released Muse Spark Open today, an open-weight agent model with 816B parameters (42B active), a 1M-token context, and text, image, video and audio in. Their 4-bit NVFP4 weights are about 537GB and the full BF16 is about 1.65TB. Meta serves it on four or eight B300s. I really appreciate Meta op…

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  1. 2026-10-15 21:40 · r/ArtificialInteligence
    Thanks for the open weights, Meta, but how many of us can actually run Muse Spark Open locally?

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