Meta Releases Muse Spark Open: 816B Open-Weight MoE With 1M Context (www.marktechpost.com)
<p>Meta released Muse Spark Open, an 816B-parameter open-weight MoE model with 42B active parameters and a 1M-token context. It leads open models on MCP-Atlas and runs on 2 M5 Ultra Mac Studios.</p>
<p>The post <a href="https://www.marktechpost.com/2026/10/15/meta-muse-spark-open-816b-open-weight-model/">Meta Releases Muse Spark Open: 816B Open-Weight MoE With 1M Context</a> appeared first on <a href="https://www.marktechpost.com">MarkTechPost</a>.</p>
<p>The post <a href="https://www.marktechpost.com/2026/10/15/meta-muse-spark-open-816b-open-weight-model/">Meta Releases Muse Spark Open: 816B Open-Weight MoE With 1M Context</a> appeared first on <a href="https://www.marktechpost.com">MarkTechPost</a>.</p>
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