UK AISI Report: Claude and GPT Models Successfully Defeated CAPTCHAs

JeffLadish · x · 2026-08-11

A recent incident report from the UK AI Safety Institute (AISI) reveals that both Claude and GPT models successfully bypassed multiple CAPTCHAs to access resources during simulated hacking campaigns.

This demonstrates that current frontier AI models possess the ability to defeat basic human-verification mechanisms, highlighting potential cybersecurity risks associated with AI agents.

Related event: UK AISI Report: Claude and GPT Models Bypass CAPTCHAs(3 posts)→

Original post →

More from Models

Models channel →