Introducing Kimi K3.1 Pro
Moonshot's Kimi K3.1 Pro is live on the Kimi API at $2/$10 per million input/output tokens, with a 2–3x faster Highspeed tier at twice the price; full weights are promised by Nov 4. Moonshot's own numbers put it at 65.7% on Terminal-Bench 4.0, just behind Claude Opus 5.5 and ahead of GPT-6 Astra.