LangChain Tutorial For Beginners 2025 | LangChain OpenAI

This tutorial is a beginner-friendly guide to getting started with LangChain. You'll learn how to integrate LangChain with OpenAI GPT to build powerful applications using LLMs (Large Language Models). LangChain is commonly used for building chatbots, question-answering systems, and AI-driven workflows, and it supports various LLM providers, including OpenAI, Anthropic, and Hugging Face. 0:00 - Intro 02:06 - Set up your API Key on OpenAI 04:07 - LangChain Installation 04:59 - Chat Models 11:05 - Messages 19:44 - Prompt Template 24:54 - LangChain Expression Language(LCEL) 30:53 - Output Parser 🔴 Subscribe for more tips just like this: https://www.youtube.com/channel/UCnNubO_0CsCybaFpSxlbStA?sub_confirmation=1 ---------------------------------------------------------------- OpenAI API https://platform.openai.com/ ---------------------------------------------------------------- LangChain Offical Documentation https://python.langchain.com/docs/integrations/chat/ ---------------------------------------------------------------- OpenAI API Pricing https://openai.com/api/pricing/ #LangChain #AI #MachineLearning #LangChainTutorial #Python #Chatbot #LLMs #OpenAI #GPT4 #AIApps