# 🦜️🔗 LangChain ⚡ Building applications with LLMs through composability ⚡ [![lint](https://github.com/hwchase17/langchain/actions/workflows/lint.yml/badge.svg)](https://github.com/hwchase17/langchain/actions/workflows/lint.yml) [![test](https://github.com/hwchase17/langchain/actions/workflows/test.yml/badge.svg)](https://github.com/hwchase17/langchain/actions/workflows/test.yml) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![Twitter](https://img.shields.io/twitter/url/https/twitter.com/langchainai.svg?style=social&label=Follow%20%40LangChainAI)](https://twitter.com/langchainai) [![](https://dcbadge.vercel.app/api/server/6adMQxSpJS?compact=true&style=flat)](https://discord.gg/6adMQxSpJS) ## Quick Install `pip install langchain` ## 🤔 What is this? Large language models (LLMs) are emerging as a transformative technology, enabling developers to build applications that they previously could not. But using these LLMs in isolation is often not enough to create a truly powerful app - the real power comes when you can combine them with other sources of computation or knowledge. This library is aimed at assisting in the development of those types of applications. ## 📖 Documentation Please see [here](https://langchain.readthedocs.io/en/latest/?) for full documentation on: - Getting started (installation, setting up the environment, simple examples) - How-To examples (demos, integrations, helper functions) - Reference (full API docs) Resources (high-level explanation of core concepts) ## 🚀 What can this help with? There are four main areas that LangChain is designed to help with. These are, in increasing order of complexity: 1. LLM and Prompts 2. Chains 3. Agents 4. Memory For more information on these concepts, please see our [full documentation](https://langchain.readthedocs.io/en/latest/?). ## 🤖 Contributing As an open source project in a rapidly developing field, we are extremely open to contributions, whether it be in the form of a new feature, improved infra, or better documentation. For detailed information on how to contribute, see [here](CONTRIBUTING.md).