Unverified50% confidenceReleaseExact time
Meta released two models, Muse Wonder and Muse Spark Open; Muse Wonder focuses on agents and professional work, and Muse Spark Open is an 816B-parameter MoE open-weights model.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/20/2026
First Seen
Valid until: 11/3/2026
Sources
Related Entities
Related Claims
UnverifiedMeta released the Muse Spark Open open-source large model, which uses a MoE architecture, has a total parameter count of 816B and 42B activated parameters, supports a 1M token context, and is released in the form of open weights.79% similarVerifiedMeta publicly stated on August 10 that it would release the weights of the Muse Spark model as open source.68% similarUnverifiedMeta承诺其旗舰模型Muse Spark 1.2的全部权重将在几周内开源67% similarUnverifiedMeta has launched the beta version of the terminal coding agent MUSE Code, powered by the MUSE Spark 1.2 model.65% similarUnverifiedDevelopers can fine-tune Muse Spark Open using PyTorch or TorchTitan.64% similar
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