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In this video I give you a complete introduction to Langchain, from chains, prompts, parers, indexes, vector databases, agents, storage to model evaluation. There is a LOT to learn here! Stay tuned. Download the workbooks here: https://github.com/Coding-Crashkurse/... Timestamps: 0:00 Course overview 1:26 Requests to OpenAI API without Langchain 5:56 Models, prompts, chains and the basics of the parser 12:20 Chains: SequentialChains and RouterChains 22:22 Memory 27:28 Index - Loader, Splitter, VectorDBs, RetrievalChains 37:19 Agents - LLms and tools 44:46 How ChatGPT plugins work 47:45 Evaluation - Use LLMs to evaluate LLMs #langchain , #chatgpt