Ep1: Build Your First FREE AI Email Generator! LangChain 2025 + GPT-4o-mini (No OpenAI Credits Needed)

In this video, you’ll learn how to install LangChain 2025, set up GitHub Models for completely free LLM usage, and make your very first AI call using GPT-4o-mini. This is the perfect starting point if you want to build real-world AI applications without paying for tokens or setting up complex infrastructure.

We walk through every step: installing LangChain, creating your GitHub token, configuring your environment, running your first script in Python, and understanding how LangChain works behind the scenes. By the end of this tutorial, you’ll be able to build AI-powered tools, autom autom autom code assistants, chatbots, content generators, or any LLM-driven workflow.

This is the foundation for everything else you’ll learn in the LangChain series: chains, memory, prompt templates, agents, RAG, and real-world production techniques.

Perfect for beginners, developers switching from OpenAI, or anyone wanting to use LLMs for free.