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Prompt Engineering & LLM Optimization for Developers · Lesson

LangChain & LlamaIndex Basics

Get started with powerful frameworks like LangChain and LlamaIndex for building complex LLM applications with ease.

Why Use LLM Frameworks?

Working directly with Large Language Model (LLM) APIs can be like building with raw LEGO bricks. It's powerful, but complex for bigger projects.

Frameworks like LangChain and LlamaIndex provide pre-built tools and structures. They simplify common tasks, making it much easier to build sophisticated LLM applications.

LangChain: Orchestrating LLMs

LangChain is a framework designed to help you build applications with LLMs by "chaining" together different components.

  • It provides abstractions for working with various LLMs.
  • It enables complex workflows involving multiple steps.
  • Think of it as the glue for your LLM-powered application logic.

All lessons in this course

  1. LLM API Interaction (OpenAI, Anthropic)
  2. LangChain & LlamaIndex Basics
  3. Prompt Management & Versioning
  4. Retrieval-Augmented Generation (RAG) Basics
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