Kimi K3 is a 2.8 trillion-parameter model
Jul 17, 2026
09:46 am
What's the storyChinese artificial intelligence (AI) start-up Moonshot has unveiled Kimi K3, a 2.8 trillion-parameter model that it claims is the world's largest open-weight AI system.
Moonshot claims that Kimi K3 is the first open-weight model to come close to the 3 trillion-parameter mark. It is designed for advanced reasoning, long-horizon coding, and knowledge work.










