Meta releases Muse Spark Open, an open-weight ~816B-parameter multimodal mixture-of-experts model, with Hugging Face support
Meta published open weights for Muse Spark Open (~816B total, ~42B active per token, 256 experts with 8 routed per token, up to 1M-token context). It takes text, image, audio and video input and outputs text. It is tuned for agentic coding. Checkpoints are on Hugging Face in BF16 (~1.5 TB) and…