Kimi K3.1 Pro, Checked: Fourth in the World, Called Open-Weight, and Not Yet Downloadable

Kimi K3.1 Pro, Checked: Fourth in the World, Called Open-Weight, and Not Yet Downloadable

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Publish Date:
24 October, 2026
Category:
CNN
Video License
Standard License
Imported From:
Youtube

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.


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Related: Frontier Watch

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