Group 1 - OpenAI has filed a lawsuit against DeepSeek, alleging that the latter is using advanced model distillation techniques to train its R1 chatbot [1] - The memo indicates that despite OpenAI's precautions, DeepSeek has managed to copy core capabilities from American models [3] - OpenAI claims that DeepSeek employed covert methods to bypass protections, utilizing third-party routing and unauthorized distributors to secretly obtain American models [3] Group 2 - Multiple American AI companies have reportedly enhanced their detection of access source IPs in response to these developments [4]