Moonshot AI promised to release the full Kimi K3.1 Pro model weights by November 4, 2026

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Introducing Kimi K3.1 Pro

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.

Opening sign-in…