The hack of Hugging Face started July 11, and continued until July 13, Thomas Wolf, Hugging Face’s co-founder, told Reuters. Hugging Face told Reuters it is preparing a public timeline of the hack. According to OpenAI, the incident took place during an internal evaluation designed to measure its AI models' advanced cyber capabilities. OpenAI told Reuters there were several inaccuracies in its reporting but didn’t respond when asked for specifications. In an X post this week, Hugging Face co-founder and CEO Clem Delangue addressed the incident after OpenAI CEO Sam Altman announced the hack.