LangChain Tutorial: Creating a Chain with PromptTemplate & Chat Models | Step-by-Step Guide

In this beginner-friendly tutorial series, we break down LangChain from scratch and explain how you can use it to build powerful LLM-based applications. In this tutorial, learn how to build your LLM-powered application by creating a simple chain using PromptTemplate and ChatModels! Whether you're a beginner or exploring LangChain for production-ready LLM apps, this step-by-step guide will help you get started fast. 📌 In this video, you'll learn: • How to use PromptTemplate for dynamic prompt creation • How to integrate ChatModels like OpenAI's ChatGPT with LangChain • How to create a simple yet powerful LLM chain • Key concepts to build scalable AI applications with LangChain This practical project showcases how various components collaborate to solve intricate challenges, exemplifying the potential of AI in real-world scenarios. Resources: 🔗 Code Repository: Access the full code for this project here: https://github.com/mohangollapalli/gen_ai/blob/1ce464c82b8202d22454f9915c1c70d432d8cb33/simple_chain.py 🎯 Who Is This Tutorial For? • Developers new to LangChain or LLMs • AI/ML enthusiasts building custom chatbots or AI agents • Anyone exploring the OpenAI API and LLM frameworks Additional Playlists: Don’t forget to check out our other valuable playlists to enhance your AI learning experience: 🔗 LangChain Playlist : https://www.youtube.com/playlist?list=PLz6pthWWCdfQOx1N9pyHLGm18HMo-saPv 🤖 Agentic AI Playlist : https://www.youtube.com/playlist?list=PLz6pthWWCdfSzzfwTa_E6Jt76Kq6aVNZQ 💻 Deep Learning with PyTorch Playlist : https://www.youtube.com/playlist?list=PLz6pthWWCdfRMjkzgzOVJZqVhvLk1gj9Q 📊 CNN : https://www.youtube.com/playlist?list=PLz6pthWWCdfT7yPUp2mi-UTmTJlBV1nzf 🧮 ML Models from Scratch Playlist : https://www.youtube.com/playlist?list=PLz6pthWWCdfR5mFMpF39dBuUueQFLZ910 📌 KNN Playlist : https://www.youtube.com/playlist?list=PLz6pthWWCdfTMLTvWu66dByhn3s_yxf4f 📈 K-Means Playlist : https://www.youtube.com/playlist?list=PLz6pthWWCdfSsegiIPgqkDNviUpg1ue-6 📌 Python for DS : https://www.youtube.com/playlist?list=PLz6pthWWCdfSBz4hOth7sFNmEm0mUh-yN Time Stamps for Easy Navigation: 00:00 - Recap on LangChain components 00:40 - What is Prompt Template? 01:37 - Chat Models 02:34 - Creating a Chain 03:40 - Creating a prompt using Prompt Template 04:43 - Open AI Chat Model object 05:12 - LCEL style of creating a chain 05:38 - LLMChain 06:33 - Invoking the LLM with the prompt 07:50 - Understanding result 11:33 - Conclusion Engage with Us! Enjoyed the video? Give it a thumbs up, leave a comment, and hit subscribe to stay updated with the latest tutorials. Your support helps us create more content tailored for aspiring AI engineers and data scientists. Don't miss out—click that notification bell, and embark on your journey to master AI and multiagent systems today! Whether you aim to ace that data science interview or want to embark on your own AI projects, this video will equip you with the knowledge and skills to succeed in the rapidly evolving tech landscape. @SimplifiedAICourse #Multi-Agent Systems, #AIProjects, #AutoGenTutorial, #BuildAIAgents, #DeepLearning #MachineLearning #AI #AIAgents #LLMs #Ollama #AItools #MachineLearning #RunLLMLocally #OpenSourceAI #LangChain #AI #LLM #OpenAI #Agents #PromptEngineering #Python #GenerativeAI #LangChain #LLMApps #OpenAI #Claude #LLaMA #AIProjects #AIDevelopment #LangChainTutorial #Chain #SequentialChain #PromptTemplate #ChatModels