Signing the document is one thing and actually releasing the weights is another. Currently the major open weight models are Meta Llama, DeepSeek, Alibaba Qwen, Mistral AI, Z.ai GLM, and Google Gemma. OpenAI did sign but remains closed.
-- Matt Mahoney, [email protected] On Sat, Jul 25, 2026, 9:47 AM Mark Nuzz <[email protected]> wrote: > Missing from the signatories are OpenAI, Anthropic, and Google. > Also missing is xAI, despite Elon’s pledge to open-source xAI’s models: > > https://images.nvidia.com/pdf/Open-Weights-and-American-AI-Leadership.pdf > > My take is that this is a day late and a dollar short. Had China’s > Kimi K3 not topped the leaderboard and pledged to release its weights, > I’m not convinced this letter would exist. > > The timing looks reactive. There are six ways from Sunday to publicly > support openness while continuing to act against it. ------------------------------------------ Artificial General Intelligence List: AGI Permalink: https://agi.topicbox.com/groups/agi/Tf29ee5263ca8f2b5-M8c9e7f6a250eec5231c1662b Delivery options: https://agi.topicbox.com/groups/agi/subscription
