# Chatterbox

Text-to-speech in 23 languages with a built-in voice and voice cloning from a short clip, with expressiveness and pacing controls.

Model id: `chatterbox`
Regions: ATL
Hugging Face: [ResembleAI/chatterbox](https://huggingface.co/ResembleAI/chatterbox)

## Pricing

- Speech: $0.00028 / second

## Limits

Per subscription, on this model:

- Speech: 20 requests a minute, 5 at once

## Inputs

- text: max prompt 4,800 characters

## Output: speech

| Parameter | Type | Values | Default |
| --- | --- | --- | --- |
| `voice` | string | default, clone |  |
| `language` | any |  |  |
| `input_references` | array | up to 2 items |  |
| `response_format` | string | mp3, opus, flac, wav, pcm | mp3 |
| `stream_format` | string | audio, sse | audio |
| `speed` | number | 0.25–4 | 1 |
| `seed` | integer |  |  |
| `temperature` | number | 0–2 |  |
| `top_p` | number | 0–1 |  |
| `top_k` | integer |  |  |
| `exaggeration` | number | 0.25–2 | 0.5 |
| `cfg_weight` | number | 0–1 | 0.5 |

## Endpoints

- [`POST /v1/audio/speech`](/docs/reference/create-speech.md): Create Speech