LangChain Tutorial (Python) #1: Intro & Setup

Опубликовано: 06 Август 2026
на канале: Leon van Zyl
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#openai #langchain

LangChain is the perfect framework for building Production ready, AI-powered application in Python.
In this first video in the series, we will set up our project environment and create our very first chatbot.

☕ Buy me a coffee:
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📑 Useful Links:
Langchain Docs: https://www.langchain.com
Source Code: https://github.com/leonvanzyl/langcha...
OpenAI API Key: https://platform.openai.com/api-keys

💬 Chat with Like-Minded Individuals on Discord:
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🕒 TIMESTAMPS:
00:00 - Introduction to Langchain
01:01 - Github
01:12 - Project Setup
02:12 - Instantiate LLM
03:12 - OpenAI API Key
03:33 - Invoke Model
04:16 - Environment Variables
05:44 - ChatOpenAI Parameters
07:42 - Batch Prompts
08:40 - Streaming Responses
09:44 - Congrats!