Learn LangChain: AI & RAG
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Learn LangChain: AI & RAG

Shahbaz Khan · released 3 Aug 2026 · Open in App Store ↗

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Description

Learn LangChain and build modern AI applications with practical, structured lessons.Learn how large language model apps work—from prompt templates and chat models to chains, agents, retrieval-augmented generation, and production deployment.

Whether you are beginning with LangChain or expanding your LLM engineering skills, Learn LangChain helps you study the concepts and patterns used to build real AI products.

WHAT YOU’LL LEARN

LangChain fundamentals and setup

LLMs, chat models, prompts, and structured output

LCEL and composable application chains

Memory, conversation workflows, and state

Document loaders, text splitters, embeddings, and vector stores

Retrieval-augmented generation, or RAG

Advanced RAG patterns, including Graph RAG and Agentic RAG

AI agents, tools, ReAct workflows, and multi-agent systems

LangGraph concepts, nodes, state, and workflows

LangSmith, LangServe, templates, observability, and debugging

Vector databases, semantic search, and retrieval pipelines

AI evaluation, testing, quality measurement, and RAG evaluation

Streaming, caching, error handling, scaling, and production architecture

LoRA and efficient LLM fine-tuning

vLLM, model serving, inference, and deployment concepts

CrewAI and modern multi-agent application patterns

MCP concepts and connected AI workflows

BUILD HANDS-ON PROJECTS

Apply what you learn through practical projects, including:

Q&A bots with RAG

Multi-document research agents

AI customer support systems

Vector search and retrieval pipelines

Tool-using AI agents

Advanced multi-agent systems

Real-time RAG workflows

Production-oriented LLM applications

LEARNING FEATURES

Bite-sized lessons that build from fundamentals to advanced topics

Python examples with JavaScript support

Quizzes, challenges, tips, and good-to-know explanations

Hands-on project-based learning

Progressive learning paths for beginners and experienced developers

Cheat sheets for LangChain fundamentals, RAG, and agents

Progress tracking to help you continue your learning journey

Start your LangChain Journey Today !