24 October 2026

Independent evaluators rank K3.1 Pro fourth and eighth on two tests

First reported

Latent Space ran this on 24 October.

Artificial Analysis, an independent testing firm, placed the K3.1 Pro model fourth on its overall Intelligence Index.
The same firm reported a 64% score on a cyber-security test for the model.
On Arena, a public ranking site where people compare chatbot answers, the model placed eighth in web development.

Our read

Only 1 of 30 newsletters covered this story, Latent Space, first reporting it on 2026-10-24. The archive's earlier stories on this thread concern consumer AI hardware and video generation, so this independent benchmark story does not extend either of them.

Earlier on this story

Oct 15Amazon-owned Bee launches two cheaper AI note-taking devices and a paid Pro tier
Aug 18Two video generation models fail rigorous creative task tests

Written by Newskeryx from which newsletters covered this story and from our own archive.

How it was covered

Latent Spaceswyx & Alessio

Artificial Analysis Intelligence and Cyber Index scores, Arena WebDev ranking, hallucination rates, and an ECI aggregation