Endor Labs Blog company blog

Claude Fable 5: mid-tier results on coding tasks

by Endor Labs endorlabs.com published Jun 10, 20

We benchmarked Claude Fable 5 on 200 real-world coding tasks for the Agent Security League.

Points

410

HN comments

250

Submissions

1

Cited by

0 commenters

AI & Machine LearningSoftware Engineering2026

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