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

# Rime TTS provider

> Configure Rime as a text-to-speech provider on Telnyx with Coda and ArcanaV3 models, voice format strings, speed control, and language coverage.

## Models

| Model    | Description                                                                                                       | Languages                              |
| -------- | ----------------------------------------------------------------------------------------------------------------- | -------------------------------------- |
| Coda     | Rime's flagship model (May 2026). LLM backbone + speech engine, sub-100ms latency, 184 voices, top-rated quality. | en, es, fr, pt, de, ja                 |
| ArcanaV3 | Previous flagship. Expressive, multilingual codeswitching.                                                        | ar, en, fr, de, he, hi, ja, pt, es, ta |

## Voice Format

```
Rime.Coda.<VoiceId>
Rime.ArcanaV3.<VoiceId>
```

<Info>
  Coda is Rime's recommended model for new integrations. It surpasses ArcanaV3 in naturalness, prosody, and artifact-free output.
</Info>

## Voice Samples

| Voice                  | Language | Gender | Sample                                                             |
| ---------------------- | -------- | ------ | ------------------------------------------------------------------ |
| `Rime.ArcanaV3.albion` | en-US    | Male   | <audio controls src="/audio/tts-samples/rime-arcana-albion.mp3" /> |
| `Rime.ArcanaV3.arcade` | en-US    | Male   | <audio controls src="/audio/tts-samples/rime-arcana-arcade.mp3" /> |

***

## WebSocket

### Query Parameters

| Parameter      | Type    | Default | Description                                     |
| -------------- | ------- | ------- | ----------------------------------------------- |
| `audio_format` | string  | `mp3`   | `mp3`, `linear16`.                              |
| `sample_rate`  | integer | `24000` | 8000, 16000, 22050, 24000, 44100, 48000, 96000. |

### Voice Settings

| Field         | Type  | Default | Description             |
| ------------- | ----- | ------- | ----------------------- |
| `voice_speed` | float | `1.0`   | Speech rate multiplier. |

```json theme={null}
{
  "text": " ",
  "voice_settings": {
    "voice_speed": 0.9
  }
}
```

## REST API

### Fields

| Field         | Type   | Default         | Description                                      |
| ------------- | ------ | --------------- | ------------------------------------------------ |
| `voice_speed` | float  | `1.0`           | Speech rate multiplier.                          |
| `output_type` | string | `binary_output` | `binary_output`, `base64_output`, or `audio_id`. |

### Response

Default (`binary_output`): chunked audio bytes.

With `output_type: "base64_output"`: JSON with base64-encoded audio.

With `output_type: "audio_id"`: JSON with an `audio_url` for deferred retrieval.