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[ARTICLE · art-90853] src=chatgptiseatingtheworld.com ↗ pub= topic=artificial-intelligence verified=true sentiment=· neutral

Meta becomes the heavyweight in US open-weight models

Meta CEO Mark Zuckerberg announced the release of Muse Glimmer as an open-weight model, with Muse Spark 1.2 to follow, signaling a return to open-weight AI models after a period of closed models. The move aims to counter China's popular open-weight models and aligns with U.S. AI sector interests.

read1 min views1 publishedAug 10, 2026
Meta becomes the heavyweight in US open-weight models
Image: Chatgptiseatingtheworld (auto-discovered)

Mark Zuckerberg announced the release of Muse Glimmer as an open-weight model and soon Muse Spark 1.2 as well

Meta had originally released its LLaMa models as open-weight models, but appeared to shift to close models to compete with OpenAI and Anthropic. But today’s announcement signals a shift back to open weight models. ** **

This is a move that many in the U.S. AI sector wanted, in part to neutralize China’s popular open-weight models.

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