By Evan Vega
Moonshot AI’s Kimi K3.1 Pro ranks fourth of 215 models on the Artificial Analysis index and topped an independent Terminal-Bench 4.0 run, but on launch day it is API-only with weights promised by 4 November. Novel Cognition checked the release against the live API, independent evaluations and community reaction: speed, cost per task, the cyber-data removal and what it means for open and closed models.
Related: Frontier Watch