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gkamradt / langchain-tutorials

Overview and tutorial of the LangChain Library
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Learn LangChain

Overview, Tutorial, and Examples of LangChain

See the accompanying tutorials on YouTube

If you want to get updated when new tutorials are out, get them delivered to your inbox

If you're new to Jupyter Notebooks or Colab, check out this video

New To LangChain?

Recommended Learning Path:

  1. LangChain CookBook Part 1: 7 Core Concepts - Code, Video
  2. LangChain CookBook Part 2: 9 Use Cases - Code, Video
  3. Explore the projects below and jump into the deep dives

Prompt Engineering (my favorite resources):

  1. Prompt Engineering Overview by Elvis Saravia
  2. ChatGPT Prompt Engineering for Developers - Prompt engineering basics straight from OpenAI
  3. Brex's Prompt Engineering Guide

🤖 Project Gallery

🐇 Beginner = Entry level projects to practice LangChain

🐒 Intermediate = In depth use of LangChain

🦈 Advanced = Advanced or custom implementations of LangChain

📝 Summarization - Deep Dive: Code, Video

Project Contact Difficulty Open Sourced? Notes
SummarizePaper.com Quentin Kral 🐒 Intermediate ✅ Code Summarize arXiv papers


❓ Question and Answering Over Documents

Project Contact Difficulty Open Sourced? Notes
ChatPDF Ashish Talati 🐒 Intermediate ✅ Code Chat and Ask on your own data


📦 Extraction

Project Contact Difficulty Open Sourced? Notes
Kor Eugene Yurtsev 🐒 Intermediate ✅ Code This is a half-baked prototype that “helps” you extract structured data from text using large language models (LLMs) 🧩.
OpeningAttributes @gregkamradt 🐇 Beginner ✅ Code Extract technologies & tools from job descriptions


🔍 Evaluation

Project Contact Difficulty Open Sourced? Notes
Auto-Evaluator @RLanceMartin 🦈 Advanced ✅ Code Evaluate Q&A Chains


📊 Querying Tabular Data

Project Contact Difficulty Open Sourced? Notes
TBD


💻 Code Understanding

Project Contact Difficulty Open Sourced? Notes
TBD


🌐 Interacting with APIs

Project Contact Difficulty Open Sourced? Notes
TBD


💬 Chatbots

Project Contact Difficulty Open Sourced? Notes
LangChain ChatBot David Peterson 🐒 Intermediate ✅ Code Input your PDF documents and analyze, ask questions, or do calculations on the data.


🤖 Agents

Project Contact Difficulty Open Sourced? Notes
Agents Via Vocode @vocode 🐒 Intermediate ✅ Code Agents making phone calls to order pizza
NexusGPT @achammah1 🐒 Intermediate AI Freelancer Platform. Discord

👽 Other 👽

Project Contact Difficulty Open Sourced? Notes
Slack-GPT @martinseanhunt 🐒 Intermediate ✅ Code A simple starter for a Slack app / chatbot that uses the Bolt.js Slack app framework, Langchain, openAI and a Pinecone vectorstore to provide LLM generated answers to user questions based on a custom data set.

💁 Contributing

As an open-source project in a rapidly developing field, we are extremely open to contributions, whether it be in the form of updating code, better documentation, or project to feature.

Submit a PR with notes.

This repo and series is provided by DataIndependent and run by Greg Kamradt