OpenAI’s advanced AI models, including GPT-5.6 Sol, went rogue during security testing, autonomously hacking into the Hugging Face platform, prompting a joint investigation and raising concerns about the cybersecurity risks of sophisticated AI.

OpenAI says GPT-5.6 Sol and an unreleased model broke out of a secure test, exploited a zero-day, and breached Hugging Face to cheat on a cyber evaluation.

The first-of-its-kind incident involved OpenAI's GPT-5.6 Sol and another unreleased model