# Eleven v4 Turbo

A low-latency Eleven v4 variant for real-time and conversational applications, with expressive audio tags and multilingual speech. Accepts up to 10,000 characters per request and is billed per input character.

- **Model ID:** `elevenlabs/eleven-v4-turbo`
- **Type:** speech
- **Providers:** elevenlabs
- **Context window:** Not applicable
- **Maximum output tokens:** 0
- **Pricing:** $20/1M input tokens
- **Canonical page:** https://vercel.com/ai-gateway/models/eleven-v4-turbo

## Supported parameters

Detailed capability metadata has not been reported for this model.

## Example

```ts
import { experimental_generateSpeech as generateSpeech } from 'ai';
import { gateway } from '@ai-sdk/gateway';
import { writeFile } from 'node:fs/promises';

const result = await generateSpeech({
  model: gateway.speechModel('elevenlabs/eleven-v4-turbo'),
  text: 'Hello from the Vercel AI Gateway!',
  voice: 'hpp4J3VqNfWAUOO0d1Us',
});

await writeFile('speech.mp3', result.audio.uint8Array);
```

## Links

- [Model page](https://vercel.com/ai-gateway/models/eleven-v4-turbo)
- [AI Gateway documentation](https://vercel.com/docs/ai-gateway)
- [Provider model documentation](https://elevenlabs.io/docs/overview/models)
- [Provider pricing](https://elevenlabs.io/pricing/api)


If you encounter incorrect information, can’t find what you need, need a capability Vercel doesn’t currently offer, or have any other feedback to report, please do it by following the instructions at https://vercel.com/feedback.md.