Meta launched Muse Glimmer, a family of open-source AI models designed to run on a laptop, alongside a 6,500-word essay by Mark Zuckerberg arguing for American open-source AI against Chinese competitors DeepSeek and Moonshot. The company also plans to release the weights of Muse Spark 1.2, its most advanced model on the market, allowing anyone to download, inspect, and modify the trained parameters. This strategy aims to differentiate Meta from closed-source players like OpenAI, Anthropic, and Google, which retain tight control of their best frontier models. The group is also seeking to regain momentum after recent models fell short compared to systems from OpenAI and Anthropic.
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