Summary ChatGPT now refuses prompts to mimic specific named authors. Claude and Gemini still comply; users can describe author traits instead. OpenAI's ChatGPT will no longer carry out prompts that request that the chatbot mimic a particular author's style. Related Claude overtakes ChatGPT as top free app amid AI ethics backlash Claude is now the #1 free app in the U.S., fueled by users leaving ChatGPT over government AI contracts and ethical concerns. When we tested it, both chatbots explained that they would follow copyright rules and wouldn't produce verbatim text taken from the author's work.