Kimi K3 Changes the AI Cost Equation—but Its Most Important Test Is Still Ahead
Kimi K3 is a frontier-scale, multimodal artificial-intelligence model developed by Beijing-based Moonshot AI (Beijing Moonshot AI Technology Co., Ltd.). Moonshot AI was founded in 2023 by Yang Zhilin, Zhou Xinyu, and Wu Yuxin, with Yang serving as chief executive. Yang’s background includes research at Tsinghua University and Carnegie Mellon University, where he contributed to long-context model architectures such as Transformer-XL and XLNet. Moonshot introduced Kimi K3 on July 14, 2026, and provides access through its official developer platform and documentation.