## Langchain The open-source Python library that bridges the gap between LLMs and Vector Databases, Langchain, makes it obscenely easy to achieve the powerful combination of embeddings, vector search, and prompt engineering with large language models like ChatGPT. The core functionality of Langchain lies in its ability to help users easily query vector databases and retrieve relevant information using natural language ([here](https://youtu.be/kvdVduIJsc8) is a video guide, and another [here](https://youtu.be/Ix9WIZpArm0)). Langchain can also coordinate multiple LLMs. [[Retrieval Augmented Generation (RAG)]] + Langchain \= ? 🤯