China pushes open-weight AI models as the US tightens its frontier AI strategy

During the World Artificial Intelligence Conference in Shanghai, Moonshot AI introduced Kimi K3, an open-weight language model that matches top US systems on multiple benchmarks, prompting a sell-off in US and South Korean chip stocks. President Xi Jinping highlighted the launch as part of a broader push for open-source AI, announcing the new World Artificial Intelligence Cooperation Organization and pledging AI resources to developing nations.

The United States, through the Pax Silica initiative, has warned that cheaper Chinese models could pose security threats and is debating measures to curb their use. Accusations from US agencies that several Chinese AI firms engaged in malicious distillation campaigns have further strained relations. Nonetheless, major US cloud providers are in talks with Moonshot AI, suggesting commercial interests may blur the geopolitical divide.