DocGPT is an AI tool that allows users to interact with their uploaded documents through a chat interface. It is designed to cater to three groups of users: students, researchers, and professionals. Students can use DocGPT to ask questions and receive instant answers, as well as request document summaries to deepen their understanding of the material. DocGPT offers a unique tool for knowledge workers to improve productivity, gain new insights into their work, and stay up-to-date with the latest information in their field. Overall, DocGPT is a powerful AI tool that can help users efficiently interact with their documents in a personalized and intuitive way.