Kimi K3.1 Pro Hits Fable-Class Ten Weeks Early, and the Closed-Model Lead Shrinks to About a Month
Moonshot's 2.8T Kimi K3.1 Pro beat Fable 5.1 ahead of a year-end prediction, priced at half of Claude Opus 5.5. For agent users, model choice is now a three-way trade between cost, speed, and capability.
