OpenAI expands its ad pilot program across 31 European markets, including Germany, France, Spain, and Italy; the pilot launched in the US, the UK, and others (Trishla Ostwal/Adweek)

OpenAI is piloting Private Safety Processing, a technique that detects misuse patterns while maintaining zero data-retention guarantees, enabling its most advanced models to be offered to businesses without storing their data. The company also revised its safety protocols and paused reinforcement-learning training for two weeks following the Hugging Face breach and related security concerns.