Post #31302 1 Oct 16, 2026, 04:20 UTC Meta Releases Muse Spark Open: 816B Open-Weight MoE With 1M Contextvia MarkTechPost (author: Asif Razzaq) Telegraph Meta Releases Muse Spark Open: 816B Open-Weight MoE With 1M … Meta Superintelligence Labs has released Muse Spark Open, the open-weight version of its Muse Spark model. Muse Spark Open is an 816B-parameter Mixture-of-Experts model that activates 42B parameters per token. It takes text, image, video and audio input,…