ChatGPT is an AI-powered chatbot developed by OpenAI, based on the GPT architecture (Generative Pre-trained Transformer). The model can generate human-like text and respond to questions, instructions, or prompts in natural language. It is used in various fields such as customer support, content creation, programming assistance, education, and creative writing. Trained on large text datasets, ChatGPT can handle both simple and complex queries with contextual accuracy. Since 2022, it has been publicly available through a web application.