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

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

🤖 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	Extract technologies & tools from job descriptions
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	✅ Code	AI Freelancer Platform. Discord

👽 Other 👽

Project	Contact	Difficulty
TBD

💁 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 projec to feature.

Submit a PR with notes.

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