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At close · Fri, Aug 7, 2026
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HomeGlobal MarketsNorth AmericaMeta plans to open source Muse Spark 1.2 weights

Meta plans to open source Muse Spark 1.2 weights

The company says it plans to release Muse Spark 1.2 model weights after launching its Muse Glimmer model.

Meta has launched Muse Glimmer and is planning to open source the weights for its next version, Muse Spark 1.2, as part of a push for broader access to its AI models, CNBC Markets reports.

The effort comes as Meta CEO Mark Zuckerberg continues to argue for U.S. leadership in open AI, CNBC World reports.

Meta’s announcement positions its open approach as a counterpoint in a fast moving competition for advanced AI model development, according to the coverage.

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