!function(){function t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){var t=null;try{t=new URLSearchParams(window.location.search).get("docusaurus-theme")}catch(t){}return t}()||function(){var t=null;try{t=localStorage.getItem("theme")}catch(t){}return t}();t(null!==e?e:"light")}(),document.documentElement.setAttribute("data-announcement-bar-initially-dismissed",function(){try{return"true"===localStorage.getItem("docusaurus.announcement.dismiss")}catch(t){}return!1}())

[Skip to main content](#__docusaurus_skipToContent_fallback)

LangChain v0.2 is coming soon! Preview the new docs [here](/v0.2/docs/introduction/).

[

![🦜️🔗 Langchain](/v0.1/img/brand/wordmark.png)![🦜️🔗 Langchain](/v0.1/img/brand/wordmark-dark.png)

](/v0.1/)[Docs](/v0.1/docs/get_started/introduction/)[Use cases](/v0.1/docs/use_cases/)[Integrations](/v0.1/docs/integrations/platforms/)[API Reference](https://api.js.langchain.com)

[More](#)

*   [People](/v0.1/docs/people/)
*   [Community](/v0.1/docs/community/)
*   [Tutorials](/v0.1/docs/additional_resources/tutorials/)
*   [Contributing](/v0.1/docs/contributing/)

[v0.1](#)

*   [v0.2](https://js.langchain.com/v0.2/docs/introduction)
*   [v0.1](/v0.1/docs/get_started/introduction/)

[🦜🔗](#)

*   [LangSmith](https://smith.langchain.com)
*   [LangSmith Docs](https://docs.smith.langchain.com)
*   [LangChain Hub](https://smith.langchain.com/hub)
*   [LangServe](https://github.com/langchain-ai/langserve)
*   [Python Docs](https://python.langchain.com/)

[Chat](https://chatjs.langchain.com)[](https://github.com/langchain-ai/langchainjs)

Search

*   [Providers](/v0.1/docs/integrations/platforms/)
    
    *   [Providers](/v0.1/docs/integrations/platforms/)
    *   [Anthropic](/v0.1/docs/integrations/platforms/anthropic/)
    *   [AWS](/v0.1/docs/integrations/platforms/aws/)
    *   [Google](/v0.1/docs/integrations/platforms/google/)
    *   [Microsoft](/v0.1/docs/integrations/platforms/microsoft/)
    *   [OpenAI](/v0.1/docs/integrations/platforms/openai/)
*   [Components](/v0.1/docs/integrations/components/)
    
    *   [LLMs](/v0.1/docs/integrations/llms/)
        
    *   [Chat models](/v0.1/docs/integrations/chat/)
        
    *   [Document loaders](/v0.1/docs/integrations/document_loaders/)
        
    *   [Document transformers](/v0.1/docs/integrations/document_transformers/)
        
    *   [Document compressors](/v0.1/docs/integrations/document_compressors/)
        
    *   [Text embedding models](/v0.1/docs/integrations/text_embedding/)
        
    *   [Vector stores](/v0.1/docs/integrations/vectorstores/)
        
    *   [Retrievers](/v0.1/docs/integrations/retrievers/)
        
    *   [Tools](/v0.1/docs/integrations/tools/)
        
    *   [Agents and toolkits](/v0.1/docs/integrations/toolkits/)
        
    *   [Chat Memory](/v0.1/docs/integrations/chat_memory/)
        
    *   [Stores](/v0.1/docs/integrations/stores/)
        

*   [](/v0.1/)
*   [Providers](/v0.1/docs/integrations/platforms/)
*   OpenAI

On this page

OpenAI
======

All functionality related to OpenAI

> [OpenAI](https://en.wikipedia.org/wiki/OpenAI) is American artificial intelligence (AI) research laboratory consisting of the non-profit `OpenAI Incorporated` and its for-profit subsidiary corporation `OpenAI Limited Partnership`. `OpenAI` conducts AI research with the declared intention of promoting and developing a friendly AI. `OpenAI` systems run on an `Azure`\-based supercomputing platform from `Microsoft`.

> The [OpenAI API](https://platform.openai.com/docs/models) is powered by a diverse set of models with different capabilities and price points.
> 
> [ChatGPT](https://chat.openai.com) is the Artificial Intelligence (AI) chatbot developed by `OpenAI`.

Installation and Setup[​](#installation-and-setup "Direct link to Installation and Setup")
------------------------------------------------------------------------------------------

*   Get an OpenAI api key and set it as an environment variable (`OPENAI_API_KEY`)

LLM[​](#llm "Direct link to LLM")
---------------------------------

See a [usage example](/v0.1/docs/integrations/llms/openai/).

tip

See [this section for general instructions on installing integration packages](/v0.1/docs/get_started/installation/#installing-integration-packages).

*   npm
*   Yarn
*   pnpm

    npm install @langchain/openai

    yarn add @langchain/openai

    pnpm add @langchain/openai

    import { OpenAI } from "@langchain/openai";

Chat model[​](#chat-model "Direct link to Chat model")
------------------------------------------------------

See a [usage example](/v0.1/docs/integrations/chat/openai/).

    import { ChatOpenAI } from "@langchain/openai";

Text Embedding Model[​](#text-embedding-model "Direct link to Text Embedding Model")
------------------------------------------------------------------------------------

See a [usage example](/v0.1/docs/integrations/text_embedding/openai/)

    import { OpenAIEmbeddings } from "@langchain/openai";

Retriever[​](#retriever "Direct link to Retriever")
---------------------------------------------------

See a [usage example](/v0.1/docs/integrations/retrievers/chatgpt-retriever-plugin/).

    import { ChatGPTPluginRetriever } from "langchain/retrievers/remote";

Chain[​](#chain "Direct link to Chain")
---------------------------------------

    import { OpenAIModerationChain } from "langchain/chains";

* * *

#### Help us out by providing feedback on this documentation page:

[

Previous

Microsoft

](/v0.1/docs/integrations/platforms/microsoft/)[

Next

Components

](/v0.1/docs/integrations/components/)

*   [Installation and Setup](#installation-and-setup)
*   [LLM](#llm)
*   [Chat model](#chat-model)
*   [Text Embedding Model](#text-embedding-model)
*   [Retriever](#retriever)
*   [Chain](#chain)

Community

*   [Discord](https://discord.gg/cU2adEyC7w)
*   [Twitter](https://twitter.com/LangChainAI)

GitHub

*   [Python](https://github.com/langchain-ai/langchain)
*   [JS/TS](https://github.com/langchain-ai/langchainjs)

More

*   [Homepage](https://langchain.com)
*   [Blog](https://blog.langchain.dev)

Copyright © 2024 LangChain, Inc.