Open sourceReported
Welcome Muse Spark Open: Open weightsReleased model parameters. Availability of weights alone does not make a model open source; check its license and accompanying materials.Read glossary entry frontier MultimodalWorking with multiple input or output types, such as text and images.Read glossary entry mixture-of-experts model from Meta
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1 publisherHugging FacePrimary source · 15 Oct 2026
Welcome Muse Spark Open: open-weight frontier multimodal mixture-of-experts model from Meta ↗
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