Dario Amodei clarified that Anthropic has not supported restrictions on open-weight AI models, distinguishing the company from an industry letter signed by Nvidia, Microsoft, Meta, Google, OpenAI and others. The letter responded to the release of China's Kimi K3 model, which delivered near-frontier performance at lower cost. The Trump administration has considered sanctions on Chinese labs accused of using distillation to acquire U.S. research.