ChatGPT is a dialogue generation model trained by OpenAI, capable of interacting with users in a conversational manner, responding to follow-up questions, acknowledging errors, challenging incorrect premises, and refusing inappropriate requests. OpenAI recently acquired the domain http://chat.com, which now directs to ChatGPT. ChatGPT is a sibling model to InstructGPT, which is trained to follow instructions in prompts and provide detailed responses. ChatGPT represents the latest advancements in natural language processing technology, emphasizing the ability to deliver a more natural and human-like interaction experience. Product background information includes its release on November 30, 2022, and its availability for free during the research preview period.