Learn LlamaIndex: A Free YouTube Roadmap (2026)

To learn LlamaIndex in 2026, follow this order: start with a beginner crash course, then a full course, then advanced deep dives. This roadmap sequences 17 of the best free YouTube videos — beginning with "Introduction to LlamaIndex with Python (2025)" by Alejandro AO (72,238 views).

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Best LlamaIndex Videos → Top tutorials, ranked LlamaIndex Channels → Creators who teach it Sponsor LlamaIndex creators → For brands

Step 1

Start Here

Beginner-friendly LlamaIndex intros and crash courses

Introduction to LlamaIndex with Python (2025) Alejandro AO

72.2K views · 1.9K likes · 2 years ago

LlamaIndex Crash Course - AI Agents in Python NeuralNine

11.5K views · 379 likes · 8 months ago

RAG From Scratch: Conversational RAG Without LangChain or LlamaIndex Pradip Nichite

10.4K views · 275 likes · 1 year ago

Building a Custom AI Agent From Scratch using LlamaIndex Getting Started with Jeff

3.3K views · 95 likes · 2 years ago

Getting started with LlamaIndex AI Planet

608 views · 15 likes · 3 years ago

Step 2

Core Skills

Full courses and comprehensive LlamaIndex tutorials

Django Project Tutorial: Build an AI Slack Bot | Django, Celery, Upstash, LlamaIndex, OpenAI + more CodingEntrepreneurs

59K views · 373 likes · 2 years ago

Advanced RAG with LlamaIndex - Metadata Extraction [2025] Alejandro AO

40.3K views · 1.2K likes · 1 year ago

Locally-hosted, offline LLM w/LlamaIndex + OPT (open source, instruction-tuning LLM) Samuel Chan

31.5K views · 553 likes · 3 years ago

Agentic AI Full Course | Build Real World AI Agents with LangChain, LangGraph, LlamaIndex & CrewAI Tech With Mala

24.4K views · 526 likes · 3 days ago

How to Compare Multiple Large PDF Files Using AI (w/ Jerry Liu, Co-Founder of LlamaIndex) Chat with data

24K views · 360 likes · 3 years ago

Which Agentic AI Framework to Pick? SmolAgents vs. PydanticAI vs. LlamaIndex Workflows W.W. AI Adventures

16.7K views · 578 likes · 1 year ago

Step 3

Advanced & Deep Dives

Go deeper into LlamaIndex internals and real-world use

Advanced rag on ayurvedic medicines using llamaindex & lanagchain Total Technology Zonne

248 views · 3 likes · 1 year ago

Step 4

Stay Current

The freshest LlamaIndex videos from the last 6 months

Grep or Embeddings? Agentic Search Over Company Documents — George He, LlamaIndex AI Engineer

12.6K views · 77 likes · 1 day ago

Build & Sell AI Agents with N8N (EASY WAY) | Full Tutorial | N8n + LlamaIndex + WhatsApp + Twilio AI with Hassan

6.1K views · 232 likes · 5 months ago

Orchestrating Document-Centric Agents With LlamaIndex PyCharm, a JetBrains IDE

2.5K views · 19 likes · 5 months ago

Building the Document Context Layer for AI Agents — Jerry Liu, LlamaIndex AI Engineer

993 views · 69 likes · 15 days ago

Using LlamaIndex for RAG in Python: Setting Up & Coding Indexing Real Python

467 views · 13 likes · 3 months ago

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