Cartesia

Cartesia offers a wide selection of fully multilingual voices with very low latency. Create a Cartesia account to browse and test voices in the Cartesia Playground.

Models

Cartesia provides multiple generations of its Sonic TTS model:

All Cartesia voices can be used with any model.

Voices

Copy the voice ID from the table below:

For more information, refer to Cartesia’s guide to Choosing a Voice.

Usage

Cartesia voice IDs conform to the following format:

cartesia.<voice_id>:<model>

Parameters:

• voice_id (required): The UUID voice identifier from the Voices table
• model (optional): One of the Sonic models listed above (default: sonic-3)

Examples:

cartesia.a167e0f3-df7e-4d52-a9c3-f949145efdab
cartesia.694f9389-aac1-45b6-b726-9d9369183238:sonic-3
cartesia.829ccd10-f8b3-43cd-b8a0-4aeaa81f3b30:sonic-turbo

Languages

Cartesia voices are fully multilingual when used with sonic-multilingual, sonic-2, sonic-3, or sonic-3 models. The multilingual models automatically adapt to the input text language.

Supported languages include: English, Spanish, French, German, Italian, Portuguese, Dutch, Polish, Russian, Chinese, Japanese, Korean, Hindi, Turkish, Swedish, and many more.

For the complete list, refer to Cartesia’s Sonic 3 language support and Sonic 2 language support references.

Examples

See how to use Cartesia voices on the SignalWire platform.

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version: 1.0.0
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sections:
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  main:
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  - ai:
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      prompt:
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        text: Have an open-ended conversation about flowers.
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      languages:
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        - name: English
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          code: en-US
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          voice: cartesia.a167e0f3-df7e-4d52-a9c3-f949145efdab

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version: 1.0.0
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sections:
3
  main:
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  - set:
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      say_voice: "cartesia.a167e0f3-df7e-4d52-a9c3-f949145efdab"
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  - play: "say:Greetings. This is the Customer Support Man voice from Cartesia's Sonic text-to-speech model."