> ## Documentation Index
> Fetch the complete documentation index at: https://docs.argil.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# ElevenLabs v4

> ElevenLabs v4 text to speech, the most expressive ElevenLabs model. Supports audio tags like [laughs] or [whispers].

Model id `elevenlabs-4` · ElevenLabs · audio · 1 mode: `text-to-speech`.

> [!NOTE]
>
> This page reflects the current catalog. Inputs, allowed values, limits and prices can change as the model evolves; the field names and their meaning do not. For the exact schema at any time, your agent calls [`get_model`](https://docs.argil.ai/v2/mcp/tools) with the mode.

## Text To Speech

Mode `text-to-speech`. ElevenLabs v4 text to speech, the most expressive ElevenLabs model. Supports audio tags like \[laughs] or \[whispers].

### Input

| Field | Type | Required | Allowed | Default | Description |
| - | - | - | - | - | - |
| `text` | string | Yes | up to 10,000 characters | | The text to speak. |
| `voice` | object | Yes | | | The voice to speak with: its id, and its model and settings when they differ from the voice’s own. |
| `voice.id` | string | Yes | | | The `id` of one of your voices, or of Argil’s public voices, as `GET /v1/voices` lists them. |
| `voice.settings` | object | | | | Speech settings; each defaults to the voice’s own. |
| `voice.settings.speed` | number | | 0.7 to 1.2 | | Speech speed (0.7-1.2); default the voice’s own. |
| `voice.settings.stability` | number | | 0 to 1 | | Voice stability (0.0-1.0). |
| `voice.settings.similarity` | number | | 0 to 1 | | Voice similarity (0.0-1.0). |
| `voice.settings.style` | number | | 0 to 1 | | Style exaggeration (0.0-1.0). |

### Pricing

3.87 credits per 1k characters.

Fixed price: charged as estimated.

For the exact price of a request, use [`estimate_generation`](https://docs.argil.ai/v2/mcp/tools).

### Example

The arguments of [`generate_media`](https://docs.argil.ai/v2/mcp/tools#generate_media):

```json theme={null}
{
  "model": "elevenlabs-4",
  "mode": "text-to-speech",
  "input": {
    "text": "Welcome back! Here is what changed this week, in one minute.",
    "voice": {
      "id": "6f1c2a9e-4b7d-4c1e-9a3f-0b5d8e2c7a14"
    }
  }
}
```


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