Muse Spark weights land on Hugging Face in BF16 and NVFP4 variants

Dimillian · x · 2026-10-16

A follow-up to the Muse Spark open-weights release with Hugging Face model card details: Muse Spark Open 816B-A42B ships in BF16 (822B) and NVFP4 (484B) variants, each drawing 300-400+ downloads within hours.

The card tags the model as Image-Text-to-Text, covering visual coding, audio-video understanding, robotics, and real-world agentic workflows. The same org also hosts the Muse Glimmer 30B family (GGUF k-quants, ExecuTorch builds, a 3B assistant variant), showing Meta building a full local-to-flagship multimodal agentic lineup.

Related event: Meta Open-Sources Muse Spark Open: 816B-Parameter MoE with 1M Context(54 posts)→

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