The newest Kimi K3 model from Beijing-based startup Moonshot, run by a Pink Floyd-loving entrepreneur who earned his doctorate in Pittsburgh, appears to be catching up to the best versions of Anthropic's Claude and OpenAI's ChatGPT.

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.

Moonshot's Kimi K3 beat Claude Fable 5 and GPT 5.6 in some benchmarks... and it's an open model.

By Tracy Qu and Raffaele Huang

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

Kimi K3 beats latest offerings by US rivals on some benchmarks