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U.S. clashes over regulating open-weight AI models amid rise of Chinese systems

A debate is growing in the United States over whether to regulate open-weight large language models from China, after the rise of models such as Moonshot AI\'s K3. Some leading U.S. AI companies see Chinese model proliferation as a threat to recouping investment and maintaining technological leadership. Others argue regulation could weaken U.S. innovation. Trump administration officials are reported to be reviewing a ban, though the Commerce Department may not move immediately.