Introduction to LlamaIndex with Python (2025)

Video Description

New to LlamaIndex? This tutorial is for you. In this video, we introduce the framework assuming you are completely new to it. LlamaIndex is a data framework that allows you to create LLM applications and makes it easier to ingest all your unstructured data. Topics === - What is LlamaIndex? Understand the basics and its role in augmenting LLMs. - Introduction to Retrieval-Augmented Generation (RAG): Learn how RAG leverages external knowledge to improve LLM performance. - Implementing RAG with LlamaIndex: Step-by-step guide on setting up and using LlamaIndex for RAG. Links === - Code: https://alejandro-ao.com/intro-to-llamaindex/ - Support me: https://link.alejandro-ao.com/support-me - LlamaIndex Docs: https://docs.llamaindex.ai/en/stable/ Timestamps === 0:00 Intro 1:38 What is LlamaIndex 6:05 Data Connectors 8:50 Documents 10:51 Nodes 13:56 Embeddings 14:54 Index 15:57 Router and Retrievers 17:12 Response Synthesizer 18:15 RAG in 5 lines 26:32 Persistent Storage 30:35 Example of a Document 33:03 LlamaParse 38:45 Conclusion --- Connect with me === - LinkedIn: https://www.linkedin.com/in/aavila0707/ - Discord Server: https://link.alejandro-ao.com/discord - Twitter: https://twitter.com/_alejandroao