Meta releases Muse Spark Open, its most capable US open-weight model yet
meetpateltech · hn · 2026-10-16
Meta has released Muse Spark Open, billed as the most capable US open-weight model to date, targeting coding, long-horizon agentic tasks, and multi-step reasoning. Key specs: 816B total / 42B active parameters (MoE), a 1M-token context window, and native multimodality across text, image, video, and audio.
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