Moonshot AI called Kimi K3.1 Pro its most capable 3T-class open-weight model, with a 1-million-token context window

Moonshot AI's launch post for Kimi K3.1 Pro, a 3T-class model with a 1-million-token context window and a faster Highspeed variant, with benchmark results and an account of removing cyberattack-related training data before the open-weights release.