ChatGPT is an advanced conversational AI developed by OpenAI, designed to understand and generate human-like text based on the input it receives. It is built on the GPT (Generative Pre-trained Transformer) architecture, which uses deep learning and vast amounts of text data to provide coherent, context-aware responses. ChatGPT can assist with answering questions, generating creative content, offering explanations, and engaging in interactive dialogue, making it a versatile tool for developers, businesses, educators, and individuals seeking natural language interaction with machines.