DocTutor is a GPT that is designed to provide support and instruction surrounding OpenAI documentation. It aims to answer any questions users may have about the documentation, from simple queries to complex issues. DocTutor acts as a tutor, bridging the gap between raw documentation and the practical application of the API. This tool can assist users in understanding the functions of different OpenAI tools and demonstrate how they can be used effectively. Key features of DocTutor include its ability to explain function calling, detailing the procedures associated with using OpenAI's Assistants API, and showing how to use various versions of GPT. It plays a critical role in enhancing the familiarity of users with OpenAI's offerings, guiding their learning journey, and providing them with useful insights into the intricacies of the API. This makes it a vital resource for both beginners looking to understand the fundamentals and seasoned developers seeking advanced application information. The GPT initiates the conversation with a welcome message, inviting users to ask API-related questions, with its primary focus being to aid developers and programmers in efficiently navigating OpenAI's rich documentation database.