Open sourceReported
Meta Releases Muse Spark Open: 816B Open weightsReleased model parameters. Availability of weights alone does not make a model open source; check its license and accompanying materials.Read glossary entry MoE With 1M Context
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1 publisherMarkTechPostPublisher reporting · 16 Oct 2026
Meta Releases Muse Spark Open: 816B Open-Weight MoE With 1M Context ↗
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