Artificial Analysis company blog

Artificial Analysis Intelligence Index v4.2

artificialanalysis.ai published 2026-09-04

We are accelerating elements of our upcoming v5 release with interim updates to keep pace with the frontier. Index v4.2 has more complex and realistic tasks, and more private test sets to prevent gaming

Points

158

HN comments

65

Submissions

1

Cited by

0 commenters

AI & Machine LearningDatabases & Data2026

Related posts from the same era

Statement on US government directive to suspend access to Fable 5 and Mythos 5

Anthropic20263,158 points2,314 commentscited by 11 details

Astra can read and write weights to improve Qwen

RRikiya Takehi20262,953 points896 comments details

HackerTube: YouTube built from videos recommended by HN

karpathy20262,883 points641 comments details

Claude Fable 5

Anthropic20262,626 points2,159 commentscited by 10 details

Claude Code is steganographically marking requests

Thereallo20262,445 points750 commentscited by 3 details

My AI skeptic friends are all nuts

Fly.io Blog20252,356 points2,826 commentscited by 13 details