ChatGPT is a conversational AI model developed by OpenAI. It is based on the GPT (Generative Pretrained Transformer) architecture, which is a type of deep learning model trained to understand and generate human-like text. ChatGPT is designed to interact with users in a natural, conversational manner, providing responses that are contextually relevant and coherent. The model has been trained on a diverse range of text data, allowing it to answer questions, engage in discussions, write essays, generate creative content, and assist with various tasks across many topics. ChatGPT can also adapt its tone and style depending on the input and the context of the conversation. Visit W3Schools.com!