ai8 min read
Kimi K3.1 Pro: open-weight coding model priced and timed for students
Moonshot released Kimi K3.1 Pro on October 23, 2026, with open weights promised by November 4. It costs $2 per million input tokens, scores 65.7% on Terminal-Bench 4.0, and is worth trying free on kimi.ai before you pay.
Arnab Biswas