---
title: OpenAI | Developer Documentation
---

To use OpenAI embeddings, you need to import `OpenAIEmbedding` from `@llamaindex/openai`.

## Installation

```
npm i llamaindex @llamaindex/openai
```

```
import { OpenAIEmbedding } from "@llamaindex/openai";
import { Document, Settings, VectorStoreIndex } from "llamaindex";


Settings.embedModel = new OpenAIEmbedding();


const document = new Document({ text: essay, id_: "essay" });


const index = await VectorStoreIndex.fromDocuments([document]);


const queryEngine = index.asQueryEngine();


const query = "What is the meaning of life?";


const results = await queryEngine.query({
  query,
});
```

## API Reference

- [OpenAIEmbedding](/typescript/framework-api-reference/classes/openaiembedding/index.md)