Free Online Course
LangChain Course
Learn Generative AI, Large Language Models, and LangChain from scratch. Simple explanations, real code examples, and hands-on mini projects.
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Modules
22
Lessons
Beginner
Skill Level
Free
Access
Course Modules
🧠
Introduction to Generative AI & LLMs
Generative AI basics, OpenAI and other providers, and what LangChain does in a real project.
4 lessons⚙️
Setup & Environment
OpenAI account, local models with Ollama, then project folder, venv, and LangChain dependencies.
3 lessons⛓️
LangChain Basics
First scripts with LangChain — OpenAI in the cloud, then Ollama on your PC with the same invoke pattern.
6 lessons🔗
LCEL & Chains
Wire prompts, clients, and parsers with LCEL — then build sequential chains, parallel runnables, and streaming.
9 lessons