ai/docs/07-reference/01-ai-sdk-core/90-generate-id.mdx

AI SDK by Vercel - build apps like ChatGPT, Claude, Gemini, and more with a single interface for any model using the Vercel AI Gateway or go direct to OpenAI, Anthropic, Google, or any other model provider.

---
title: generateId
description: Generate a unique identifier (API Reference)
---

# `generateId()`

Generates a unique identifier.

This is the same id generator used by the AI SDK.

```ts
import { generateId } from 'ai';

const id = generateId();
```

## Import

<Snippet text={`import { generateId } from "ai"`} prompt={false} />

## API Signature

### Returns

A string representing the generated ID.

## See also

- [`createIdGenerator()`](/docs/reference/ai-sdk-core/create-id-generator)