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

# Audio Models

> Available text-to-speech models and their credit costs per 1,000 characters.

Invook supports high-quality text-to-speech (TTS) models to bring your scripts and text content to life. Each model uses a specific number of **credits** per 1,000 characters.

<Note>
  Credits are deducted from your account balance based on character count. Free plan users receive **150 credits/month**. See [FAQs](/help/faqs) for more details.
</Note>

***

## Available Audio Models

| Model Name              | Credits per 1,000 Characters |
| ----------------------- | ---------------------------- |
| **ElevenLabs TTS (V3)** | 10 credits                   |

***

## How to Use Audio Models

1. Add an **Audio Model** Block to your Canvas using the [Add Block](/support/toolbox#3-add-block) tool.
2. Connect a **Prompt** Block or **Text** Block containing the script you want to convert.
3. Run the model to generate the audio file.
4. Listen to or download the result from the **Audio** block.

<Tip>
  New to the Canvas? Follow the [Create Your First Asset](/tutorial/create-first-asset) guide for a full walkthrough.
</Tip>

***

## Related

<CardGroup cols={3}>
  <Card title="Image Models" icon="image" href="/models/image">
    Browse image generation models.
  </Card>

  <Card title="Video Models" icon="video" href="/models/video">
    Browse video generation models.
  </Card>

  <Card title="Text Models" icon="message-bot" href="/models/text">
    Browse text generation models.
  </Card>
</CardGroup>