ChatGPT is a large language model developed by OpenAI. It was trained on a dataset of billions of words, with the goal of being able to generate human-like text and answer questions on a wide range of topics. ChatGPT is not able to browse the internet or access new information beyond what it was trained on. It is able to process and respond to text input, but may not always provide accurate or complete answers, especially on topics that are outside of its training data. Despite these limitations, ChatGPT is able to provide helpful and informative responses on a wide range of topics, and is a valuable resource for generating human-like text or answering questions.