Setting Up LangChain in Python (Step-by-Step)

Ready to start building your own AI applications? In this video, we’re going from zero to "Hello World" with LangChain, the must-know framework for anyone serious about AI development.

Whether you want to use industry leaders like OpenAI and Anthropic’s Claude, or you prefer to keep everything private with local models, this tutorial covers it all.

In this step-by-step guide, we cover:

Full Installation: How to get LangChain up and running on your system correctly.

API Key Management: Setting up environment variables for OpenAI and Claude to keep your keys secure.

Your First Chain: Building a "Hello World" application to understand the core logic of the framework.

Going Local: How to run AI models on your own machine for maximum privacy and zero API costs.

Troubleshooting 101: Quick fixes for common hurdles like "Module not found" or API rate limiting.

This is the essential foundation you need before moving into advanced topics like RAG and AI Agents. Grab your code editor and let’s get started!

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Видео Setting Up LangChain in Python (Step-by-Step) канала AI Academy