Text to Speech Model
Cartesia Sonic 3.6
Text to Speech by Cartesia
Publisher
Cartesia
TypeText to Speech
Context Window5,000 tokens
ReleasedAugust 2026
Price~$37 / 1M characters
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Parameters & options
VoiceSelect
A Cartesia voice. Any voice id from https://play.cartesia.ai/voices, including the account's own, can be pasted in.
LanguageSelect
The language the text is in. Unset, Cartesia takes the voice's own. Sonic speaks 44 languages; any of their codes can be pasted in.
EmotionSelect
The feeling the voice carries. In the text itself, <emotion value="excited"/> changes it mid-way and [laughter] laughs.
SpeedNumber
Speaking speed. 1.0 is normal.
VolumeNumber
Loudness. 1.0 is normal.
Output FormatSelect
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