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Free LangChain & RAG Courses

17 free courses from 5 providers. No payment required.

17
Free Courses
5
Providers
1
With Certificates
4.5
Avg Rating

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
Free
intermediate

LangChain for LLM Application Development

DeepLearning.AI

4.6(8,200)
1 hourintermediate
Free
Building Systems with the ChatGPT API
DeepLearning.AI
Free
intermediate

Building Systems with the ChatGPT API

DeepLearning.AI

4.6(6,500)
1 hourintermediate
Free
LangChain: Chat with Your Data
DeepLearning.AI
Free
intermediate

LangChain: Chat with Your Data

DeepLearning.AI

4.6(6,200)
1 hourintermediate
Free
AI Agents in LangGraph
DeepLearning.AI
Free
intermediate

AI Agents in LangGraph

DeepLearning.AI

4.6(5,100)
1 hourintermediate
Free
Vector Databases: from Embeddings to Applications
DeepLearning.AI
Free
intermediate

Vector Databases: from Embeddings to Applications

DeepLearning.AI

4.5(4,800)
1 hourintermediate
Free
Building and Evaluating Advanced RAG Applications
DeepLearning.AI
Free
intermediate

Building and Evaluating Advanced RAG Applications

DeepLearning.AI

4.6(5,500)
1 hourintermediate
Free
Preprocessing Unstructured Data for LLM Applications
DeepLearning.AI
Free
intermediate

Preprocessing Unstructured Data for LLM Applications

DeepLearning.AI

4.4(3,200)
1 hourintermediate
Free
Knowledge Graphs for RAG
DeepLearning.AI
Free
intermediate

Knowledge Graphs for RAG

DeepLearning.AI

4.5(3,500)
1 hourintermediate
Free
Building Multimodal Search and RAG
DeepLearning.AI
Free
intermediate

Building Multimodal Search and RAG

DeepLearning.AI

4.5(2,800)
1 hourintermediate
Free
Build an LLM App with LangChain.js
DeepLearning.AI
Free
intermediate

Build an LLM App with LangChain.js

DeepLearning.AI

4.5(2,200)
1 hourintermediate
Free
Generative AI for Beginners
Microsoft
Free
beginner

Generative AI for Beginners

Microsoft

4.6(2,500)
Self-pacedbeginner
Free
Functions, Tools and Agents with LangChain
DeepLearning.AI
Free
intermediate

Functions, Tools and Agents with LangChain

DeepLearning.AI

4.6(4,500)
1 hourintermediate
Free
Large Language Models with Semantic Search
DeepLearning.AI
Free
intermediate

Large Language Models with Semantic Search

DeepLearning.AI

4.5(3,200)
1 hourintermediate
Free
Open-Source AI Cookbook
Hugging Face
Free
intermediate

Open-Source AI Cookbook

Hugging Face

4.5(600)
Self-pacedintermediate
Free
Anthropic
Free
intermediate

Building with the Claude API

Anthropic

9 modulesintermediate
Free
Anthropic
Free
beginner

Anthropic's Prompt Engineering Interactive Tutorial

Anthropic

9 chaptersbeginner
Free
Cohere
Free
beginner

LLM University (LLMU)

Cohere

Self-paced (roughly 15-25 hours across modules)beginner
Free

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.