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    🇨🇳China·AI News·15 Oct 2026·via The New Stack

    Meta ships Muse Spark Open, its answer to China’s best open-weight models

    Meta has introduced Muse Spark Open, an 816-billion-parameter open model with 42 billion active parameters. The company presents this release as its response to leading open-weight models developed in China, according to a report from The New Stack.

    Nexa's Summary

    The launch of Muse Spark Open indicates Meta's continued strategy of releasing large language models with open weights. This approach allows external developers and researchers to access and build upon the model's architecture, potentially fostering innovation and broader application development.

    The model's stated scale, at 816 billion parameters with 42 billion active, positions it as a notable entry in the open-weight AI landscape. Meta's framing of this release as an "answer to China’s best open-weight models" suggests a strategic focus on competitive development within this specific segment of the AI market.

    By making such a large model openly available, Meta contributes to the global pool of accessible AI resources. This can influence the direction of AI research and applications by enabling wider experimentation and integration across various sectors, extending the model's impact beyond Meta's direct commercial interests.

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    Original reporting by The New StackWe don't republish, read the full story →

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