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Text to Speech Model

Cartesia Sonic 3.6

Text to Speech by Cartesia

PublisherCartesia
TypeText to Speech
Context Window5,000 tokens
ReleasedAugust 2026
Price~$37 / 1M characters
LATESTREALTIMELOW LATENCY

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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.

Default: db6b0ed5-d5d3-463d-ae85-518a07d3c2b4
Skylar (friendly, American)Daniel (modern, American)Lauren (lively narrator, American)Katie (friendly, American)Jameson (easygoing, American)Ronald (thoughtful, American)Gemma (decisive, British)Archie (approachable, British)Clive (measured, British)Ella (caring, Australian)Ximena (calm, Mexican Spanish)Darío (steady, Spanish)Inès (poised, French)Clemens (precise, German)Fabio (Italian)Helena (Brazilian Portuguese)Yuto (Japanese)Siya (Hindi)
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.

EnglishSpanishFrenchGermanItalianPortugueseDutchPolishRussianSwedishTurkishJapaneseKoreanChineseHindiArabic
EmotionSelect

The feeling the voice carries. In the text itself, <emotion value="excited"/> changes it mid-way and [laughter] laughs.

NeutralCalmContentHappyExcitedEnthusiasticCuriousConfidentProudGratefulAffectionateSympatheticPeacefulSereneMysteriousSurprisedAmazedTriumphantSarcasticSkepticalContemplativeDeterminedNostalgicWistfulTiredBoredHesitantAnxiousConfusedDisappointedSadMelancholicApologeticFrustratedAngryOutragedScaredPanicked
SpeedNumber

Speaking speed. 1.0 is normal.

Default: 1Range: 0.6–1.5 (step 0.05)
VolumeNumber

Loudness. 1.0 is normal.

Default: 1Range: 0.5–2 (step 0.05)
Output FormatSelect
Default: mp3
MP3WAV

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