Free LangChain & RAG Courses
17 free courses from 5 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
Building with the Claude API
Anthropic
Anthropic's Prompt Engineering Interactive Tutorial
Anthropic
LLM University (LLMU)
Cohere
Free LangChain & RAG Courses with Certificates
Learn langchain & rag for free and earn a certificate you can add to your resume.
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.
1 of these free courses offer certificates you can add to your resume.