Moonshot AI said Kimi K3.1 Pro's cyber capability remains behind frontier proprietary models that have been public for at least three months

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.