Moonshot AI Releases Kimi K3, a 2.8-Trillion-Parameter Open-Weight Model Topping Frontend Coding Benchmarks

Moonshot AI, the Beijing-based startup behind the Kimi series, launched Kimi K3 on July 16, 2026, a 2.8-trillion-parameter open-weight model that has climbed to the top of a leading frontend coding benchmark and drawn attention as the latest sign of China's rising AI capability. The company is offering the model immediately through its API and consumer platform, with the full model weights slated for public release on July 27.