Free LangChain & RAG Courses
14 free courses from 3 providers. No payment required.
Free courses on building LLM applications with LangChain, retrieval-augmented generation, vector databases, and AI agents.
All Free LangChain & RAG Courses
LangChain for LLM Application Development
DeepLearning.AI
Building Systems with the ChatGPT API
DeepLearning.AI
LangChain: Chat with Your Data
DeepLearning.AI
AI Agents in LangGraph
DeepLearning.AI
Vector Databases: from Embeddings to Applications
DeepLearning.AI
Building and Evaluating Advanced RAG Applications
DeepLearning.AI
Preprocessing Unstructured Data for LLM Applications
DeepLearning.AI
Knowledge Graphs for RAG
DeepLearning.AI
Building Multimodal Search and RAG
DeepLearning.AI
Build an LLM App with LangChain.js
DeepLearning.AI
Generative AI for Beginners
Microsoft
Functions, Tools and Agents with LangChain
DeepLearning.AI
Large Language Models with Semantic Search
DeepLearning.AI
Open-Source AI Cookbook
Hugging Face
Why Learn LangChain & RAG for Free?
Many of the best langchain & rag courses are offered free by top universities and companies.
Free courses let you explore langchain & rag before committing to a paid specialization.
The quality of free langchain & rag education has never been higher — many courses match university curricula.
You can learn at your own pace without pressure from subscription deadlines.
Several providers offer optional paid certificates if you need formal credentials.