Rufi
12/19/2025, 2:52 PMAI Evy
12/19/2025, 2:52 PMAI Evy
12/19/2025, 2:52 PMvoice_model parameter when creating or updating a voice agent. [(1) ]() [(2) ]()
The available Cartesia voice models include:
- sonic-2
- sonic-3
- sonic-turbo
To select Sonic 3:
Set voice_model to "sonic-3" in your API request when creating or updating an agent.
You can also select this in the Dashboard under the voice model settings. [(2) ]()
Note: If you experience temporary outages with Cartesia, you can configure fallback_voice_ids from a different TTS provider to ensure continuity. [(1) ]() [(2) ]()AI Evy
12/19/2025, 2:52 PMAI Evy
12/19/2025, 2:52 PM