BirdNest Tech Talk
BirdNest Tech Talk
Sep 25, 2025 · Artificial Intelligence

How to Install and Configure LangChain for LLM Development

This guide walks you through installing the LangChain library, adding model‑specific packages, verifying the setup with a Python script, configuring API keys via environment variables or a .env file, and preparing to use OpenAI‑compatible models such as DeepSeek or Qwen.

API keysInstallationLLM
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How to Install and Configure LangChain for LLM Development