rag-chatbot is an AI-based chatbot model that allows users to interact with multiple PDF files using natural language. This model leverages the latest machine learning technologies, such as Hugging Face and Ollama, to comprehend PDF content and generate responses. Its significance lies in its ability to process extensive document information, providing users with rapid and accurate question-answering services. The background information indicates that this is an open-source project aimed at enhancing document processing efficiency through technological innovation. Currently, the project is free and primarily targets developers and tech enthusiasts.