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

# Chatterbox HD (Resemble AI) API

> Chatterbox HD (Resemble AI) API on Venice: text to speech with 9 voices at $50.00 per 1M characters (about $0.0413 per minute).

> [accordion] Plain-text specification
>
> ## Chatterbox HD (Resemble AI) API
>
> Chatterbox HD (Resemble AI) is a text-to-speech model by Resemble AI, available on the Venice API as `tts-chatterbox-hd`. It runs privately, with zero data retention.
>
> ### Chatterbox HD (Resemble AI) API pricing
>
> | Model ID | Variant | Privacy | Price |
> | - | - | - | - |
> | `tts-chatterbox-hd` | Standard | Private | \$50.00 / 1M chars |
>
> ### Chatterbox HD (Resemble AI) specifications
>
> | Spec | Value |
> | - | - |
> | Provider | Resemble AI |
> | Released | Apr 17, 2026 |
> | Privacy | Private |
> | Status | Stable |
> | Open weights | Yes |
> | Voices | 9 |
> | Formats | wav |
>
> ### How to use the Chatterbox HD (Resemble AI) API
>
> Send requests to `POST https://api.venice.ai/api/v1/audio/speech` with `"model": "tts-chatterbox-hd"` and your API key.
>
> ```bash theme={"system"}
> curl https://api.venice.ai/api/v1/audio/speech \
>   -H "Authorization: Bearer $VENICE_API_KEY" \
>   -H "Content-Type: application/json" \
>   -d '{
>     "model": "tts-chatterbox-hd",
>     "input": "Private AI for everyone.",
>     "voice": "Aurora",
>     "response_format": "mp3"
>   }' --output speech.mp3
> ```
>
> ### Related models
>
> * [Gradium TTS API](https://docs.venice.ai/models/gradium-tts.md): \$47.50 / 1M chars
> * [ElevenLabs Turbo v2.5 API](https://docs.venice.ai/models/elevenlabs-turbo-v2-5.md): \$62.50 / 1M chars
> * [Orpheus TTS API](https://docs.venice.ai/models/orpheus-tts.md): \$62.50 / 1M chars
> * [ElevenLabs TTS v4 Turbo API](https://docs.venice.ai/models/elevenlabs-tts-v4-turbo.md): \$46.00 / 1M chars


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