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# AI21 Labs

This page covers how to use the AI21 ecosystem within LangChain. It is broken into two parts: installation and setup, and then references to specific AI21 wrappers.

## Installation and Setup

- Get an AI21 api key and set it as an environment variable (`AI21_API_KEY`)

## Wrappers

### LLM

There exists an AI21 LLM wrapper, which you can access with

    from langchain.llms import AI21