GPT architect Alec Radford has been subpoenaed in a copyright case against OpenAI, according to a court filing. Radford, who left OpenAI late last year to pursue independent research, was the lead author of OpenAI’s seminal research paper on generative pre-trained transformers (GPTs). GPTs underpin OpenAI’s most popular products, including the company’s AI-powered chatbot platform, ChatGPT. Source: Key ex-OpenAI researcher subpoenaed in AI copyright case | TechCrunch