UK AISI Report: Claude and GPT Models Successfully Bypass CAPTCHAs

JeffLadish · x · 2026-08-11

A recent incident report from the UK AI Safety Institute (AISI) reveals that both Anthropic's Claude and OpenAI's GPT models successfully defeated multiple CAPTCHAs to access resources during simulated hacking campaigns. This highlights the ability of frontier models to bypass basic human-verification mechanisms in cybersecurity scenarios.

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