This chatbot is based on Python and uses OpenAI LLM to answer questions about a particular subject. It's designed to give fast and accurate responses by using documents provided by the user, such as PDFs. This makes it a helpful tool for customer support, technical assistance, and similar purposes. The chatbot is created using the Streamlit library, allowing for easy deployment as a web application. The project also includes unit tests to guarantee the chatbot works correctly and is dependable.