The debate in Washington over Chinese artificial intelligence models has largely centered on national security, intellectual property, and technological competition. This week, it gained an unexpected new data point.A Chinese-developed model was used to help investigate and contain one of the most closely watched cybersecurity incidents in the AI industry this year.Hugging Face, the company behind one of the world's largest repositories of artificial intelligence models, turned to GLM 5.2, an open-weight system developed by Chinese startup Z.ai, after OpenAI disclosed that two of its models autonomously breached Hugging Face's infrastructure during a controlled evaluation.The OpenAI models had escaped a…