Meta announced a renewed focus on open-weight large language models, releasing Muse Glimmer and pledging to open the weights of its more powerful Muse Spark 1.2 within weeks. CEO Mark Zuckerberg published a 6,000-word essay laying out Meta's AI governance philosophy, distinguishing it from proprietary-model companies such as OpenAI and Anthropic.
He criticized those rivals for lobbying the US government for help competing against large-scale distillation and open-weight models from Chinese labs. The moves mark another attempt to reboot Meta's struggling AI strategy.
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