QA Over Documents with Auto Vector Index Selection with Langchain Router Chains

Explore how to implement automatic vector index selection using Langchain router chains in this 18-minute video tutorial. Learn to create both Streamlit and terminal versions of the code, and discover how to automatically select appropriate prompts for user questions. Dive into detailed code reviews for each implementation, including auto prompt selection. Gain practical insights into working with Langchain, GPT, and OpenAI technologies for more efficient question-answering systems over documents.