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Building a YouTube Transcript Agent with LangChain and Ollama: A Step-by-Step Guide

Learn how to extract, summarize, and analyze YouTube video transcripts using LangChain, Ollama, and Python.

Buse Köseoğlu
AI Advances
Published in
12 min read6 days ago

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AI agents are everywhere right now. New implementations, fresh ideas, and endless possibilities. But keeping up can be overwhelming and sometimes the whole concept seems more complicated than it really is. In this guide we’ll break it all down in a simple, structured way. By the end you won’t just understand what AI agents are you’ll have built one yourself.

What are AI Agents?

With the development of LLMs new uses are entering our lives. AI Agent is one of them. LLMs are in a static state by their nature. They cannot respond according to the data they are trained on and perform today’s developments and some special tasks. AI Agents are systems that can interact with their own environment. They give LLMs the ability to access tools, so they can fulfill the desired requests outside the scope of the LLM.

AI Agents consist of two parts:

  1. AI Model (LLMs): performs reasoning, planning and choosing the best action.
  2. Tools: These are special functions used by AI Agents. Their development determines…

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