Model Card: Kimi K3.1 Pro
Kimi K3.1 Pro: released 2026-10-23, 2.8T total / 104B active MoE parameters, 1M-token context window, $2.00 input / $10.00 output per 1M tokens (33% below K3); independent testing put Terminal-Bench 4.0 at 67% (up from K3's 13%), and it ranks 4th worldwide on the Artificial Analysis Intelligence Index at 55.1; weights aren't public yet — Moonshot promises open release by 2026-11-04, at which point it's projected to become the highest-scoring open-weight model available