When building conversational AI with LangChain, the way you send and receive information is through messages. Each message has a specific role, helping you shape the flow, tone and context of the conversation. LangChain supports several message types: HumanMessage – represents the user’s input AIMessage – represents the model’s response SystemMessage – sets the behavior or rules forContinueContinue reading “Build an LLM Chat App Using LangGraph, OpenAI and Python—Part 2: Understanding SystemMessage”
Tag Archives: Langchain
Build an LLM Chat App Using LangGraph, OpenAI and Python—Part 1
Everyone is excited about GenAI, chatbots and agents—and for good reason. This article offers a very beginner-friendly introduction to building with OpenAI and LangChain using Python, helping you take your first steps into the world of AI development. This article covers the following topics: Installation of dependencies Connecting to the OpenAI GPT model Creating yourContinueContinue reading “Build an LLM Chat App Using LangGraph, OpenAI and Python—Part 1”
How to Build Your First LLM Application Using LangChain and TypeScript
In this article, I will walk you through a step-by-step guide to building your first LLM-powered application using LangChain and the OpenAI model. I will be using TypeScript to build the app, and by the end you’ll have a working translator built with the OpenAI GPT-4 model and LangChain’s messaging package. Set Up the Project To start with, createContinueContinue reading “How to Build Your First LLM Application Using LangChain and TypeScript”
Dhananjay Kumar 