Moonshot's founder trained at Carnegie Mellon. Now his Kimi K3 model is beating U.S. giants at their own game — and making Silicon Valley sweat.

Moonshot AI released Kimi K3, a 2.8 trillion-parameter open-source AI model from China that rivals OpenAI, Anthropic and other top U.S. systems in frontier AI benchmarks.

Kimi K3's early performance is fueling alarm in Silicon Valley and Washington.

By Tracy Qu and Raffaele Huang

Kimi's K3 model has caught up to the American frontier.

Moonshot AI's latest model is impressing developers with its coding skills, low API costs, and open-weight strategy.