ChatGBT Free AI Chatbot is a version of the GBT model developed by OpenAI that is available for free use. It is designed to engage in chat-based conversations and provide responses that are coherent and contextually relevant. The model has been trained on vast amounts of data to understand and generate human-like text. While it is a powerful tool for various language-related tasks, it is important to note that the free version of ChatGBT has certain limitations compared to the paid versions, such as usage restrictions and potential limitations in response quality.