Chinese AI company Moonshot AI has introduced Kimi K3.1 Pro, a new model with 2.8 trillion parameters.

Featuring a 1-million-token context window, it delivers improved capabilities in coding, 3D modeling, game development, and financial research. The model is available alongside Kimi K3.1 Pro Highspeed, a variant offering 2–3× faster performance, with full model weights scheduled for release on November 4.