Meta announced plans to double down on open-weight large language models, unveiling a new open model called Muse Glimmer and pledging to release the weights for its more powerful Muse Spark 1.2 in the coming weeks. CEO Mark Zuckerberg published a lengthy essay outlining the company's AI philosophy and governance stance, positioning Meta against rivals like OpenAI and Anthropic.
Those rivals develop proprietary models and have lobbied U.S. officials to counter Chinese labs using distillation or open-weight approaches.
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