alt Hacker NewsNot really. That definition also requires the training code and training data composition to be open-sourced.
No major Chinese or Western labs satisfy these requirements. The only vendors I can think of that do are Nvidia and Allen AI.
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biggestriverman • today at 5:01 PM
K2 horizon is the closest to actually releasing everything that I am aware of https://ifm.ai/blog/k2/
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fweimer • today at 4:29 PM
Allen AI imposes further restrictions on their model releases, I think: https://allenai.org/responsible-use
theplumber • today at 4:46 PM
Nobody can do that because they were all trained on stolen content
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I'm a little confused by your distinction between vendor and lab. AI2 (Allen Institute for AI) is a western lab and they did release a fully open source model, with open weights, data, and training code (Olmo3).
Their technical report on the release is excellent: https://allenai.org/blog/olmo3
They're a public research institute as opposed to one of the proprietary frontier labs, but they've been very open about the science.