ChatGPT is the talk of the town and for a good reason. Everywhere you look, it's making its presence known. With hundreds of applications, it's a game-changer in the AI world. But what's going on under the hood? In this talk, we'll delve into the inner workings of ChatGPT, uncovering the methods and algorithms used to train and generate large language models. From real-world industry use cases to hands-on demonstrations, we'll explore the best practices for interfacing with it's API. Get ready for an interactive experience, where the audience will have plenty of opportunities to share their own experiences with ChatGPT.