Sonic
Sonic
Our flagship State Space Model for seamless, ultra-realistic AI voices.


Quality at full speed
Quality at full speed
Quality at full speed
With a Time-to-First-Audio of 40ms, Sonic is the fastest generative voice model built for streaming.
With a Time-to-First-Audio of 40ms, Sonic is the fastest generative voice model built for streaming.


225%
225%
225%
faster than the next best competitor
faster than the next best competitor
40ms

Next best competitor
130ms

Fully Controllable
Fully Controllable
Fully Controllable
Control the speed and pronunciation of generated speech to create richer, more compelling voice experiences.
Control the speed and pronunciation of generated speech to create richer, more compelling voice experiences.
Speed



Positivity



Anger

Curiosity



Sadness



Surprise


Always a native speaker
Always a native speaker
Always a native speaker
Sonic supports native speech in 15 languages. Localize a given voice to any accent or language.
Sonic supports native speech in 15 languages. Localize a given voice to any accent or language.
English
American
Spanish
Latin
French
Portuguese
Brazilian
Hindi
Chinese
Russian
Dutch
Japanese
Turkish
Korean
German
Swedish
Italian
Polish
Coming soon...
English
American
Spanish
Latin
French
Portuguese
Brazilian
Hindi
Chinese
Russian
Dutch
Japanese
Turkish
Korean
German
Swedish
Italian
Polish
Coming soon...
English
American
Spanish
Latin
French
Portuguese
Brazilian
Hindi
Chinese
Russian
Dutch
Japanese
Turkish
Korean
German
Swedish
Italian
Polish
Coming soon...


Lifelike, expressive voices for every use case.
Lifelike, expressive voices for every use case.
Lifelike, expressive voices for every use case.
Leverage AI voice cloning for high-fidelity, realistic voice replication with unmatched accuracy.
Leverage AI voice cloning for high-fidelity, realistic voice replication with unmatched accuracy.

Gaming
Bring your storytelling to life with immersive voices

Gaming
Bring your storytelling to life with immersive voices

Gaming
Bring your storytelling to life with immersive voices

Media
Narrate content for podcasts, news, and publishing.

Media
Narrate content for podcasts, news, and publishing.

Media
Narrate content for podcasts, news, and publishing.

Support
Power support experiences that delight your customers.

Support
Power support experiences that delight your customers.

Support
Power support experiences that delight your customers.

Content
Create content that engages viewers and drives clicks.

Content
Create content that engages viewers and drives clicks.

Content
Create content that engages viewers and drives clicks.

Healthcare
Empower healthcare with voices that patients trust.

Healthcare
Empower healthcare with voices that patients trust.

Healthcare
Empower healthcare with voices that patients trust.

Sales
Scale sales with lifelike voices that lead to conversions.

Sales
Scale sales with lifelike voices that lead to conversions.

Sales
Scale sales with lifelike voices that lead to conversions.

Voice Agents
Build responsive AI voice agents for any use case.

Voice Agents
Build responsive AI voice agents for any use case.

Voice Agents
Build responsive AI voice agents for any use case.

Dubbing
Go global with localized voices and accents for every language.

Dubbing
Go global with localized voices and accents for every language.

Dubbing
Go global with localized voices and accents for every language.

Avatars
Create expressive, relatable AI avatars for any use case.

Avatars
Create expressive, relatable AI avatars for any use case.

Avatars
Create expressive, relatable AI avatars for any use case.

Logistics
Automate complex logistics with voice-enabled systems.

Logistics
Automate complex logistics with voice-enabled systems.

Logistics
Automate complex logistics with voice-enabled systems.

Recruiting
Screen candidates with AI-powered voice interviews.

Recruiting
Screen candidates with AI-powered voice interviews.

Recruiting
Screen candidates with AI-powered voice interviews.

Accessibility
Make your content accessible to anyone, anywhere.

Accessibility
Make your content accessible to anyone, anywhere.

Accessibility
Make your content accessible to anyone, anywhere.
Cartesia will be at Customer Contact Week (CCW) Las Vegas on June 9–12
Come visit our booth and private meeting space on the expo floor. We're also hosting 1-on-1 chats with our team at the conference and an exclusive dinner event on June 11.
Cartesia will be at Customer Contact Week (CCW) Las Vegas on June 9–12
Come visit our booth and private meeting space on the expo floor. We're also hosting 1-on-1 chats with our team at the conference and an exclusive dinner event on June 11.