

Reach North American audiences with realistic, localized AI voices
Capture the attention of locals with voice AI that gets the accents and pronunciation just right.
Capture the attention of locals with voice AI that gets the accents and pronunciation just right.
Capture the attention of locals with voice AI that gets the accents and pronunciation just right.
English (American)
Authentic American English voices
Speak to millions in their local tongue with our state-of-the-art voices.
Carson
Conversational
Sophie
Narrative
David
Conversational

English (American)
Authentic American English voices
Speak to millions in their local tongue with our state-of-the-art voices.
Carson
Conversational
Sophie
Narrative
David
Conversational

English (American)
Authentic American English voices
Speak to millions in their local tongue with our state-of-the-art voices.
Carson
Conversational
Sophie
Narrative
David
Conversational


English (Southern American)
Authentic Southern American English voices
Speak to millions in their local tongue with our state-of-the-art voices.
Savannah
Conversational
Corinne
Narrative

English (Southern American)
Authentic Southern American English voices
Speak to millions in their local tongue with our state-of-the-art voices.
Savannah
Conversational
Corinne
Narrative

English (Southern American)
Authentic Southern American English voices
Speak to millions in their local tongue with our state-of-the-art voices.
Savannah
Conversational
Corinne
Narrative
Spanish (Latin American)
Authentic Latin Spanish voices
Speak to millions in their local tongue with our state-of-the-art voices.
Mateo
Conversational
Isabel
Narrative

Spanish (Latin American)
Authentic Spanish Latin voices
Speak to millions in their local tongue with our state-of-the-art voices.
Mateo
Conversational
Isabel
Narrative

Spanish (Latin American)
Authentic Spanish Latin voices
Speak to millions in their local tongue with our state-of-the-art voices.
Mateo
Conversational
Isabel
Narrative



Deploy multilingual voice experiences—fast
Test drive localization in the Cartesia playground or read our documentation to use the API
Test drive localization in the Cartesia playground or read our documentation to use the API
Test drive localization in the Cartesia playground or read our documentation to use the API
Voices that are the stars of the show
Cartesia generates realistic, natural-sounding voices with smooth delivery. Their personalities shine through with emotions and demeanors from calm to excited and professional to casual. And details like phone numbers, order IDs, and amounts are spoken accurately—no dropped digits or added words.
Cartesia generates realistic, natural-sounding voices with smooth delivery. Their personalities shine through with emotions and demeanors from calm to excited and professional to casual. And details like phone numbers, order IDs, and amounts are spoken accurately—no dropped digits or added words.
Cartesia generates realistic, natural-sounding voices with smooth delivery. Their personalities shine through with emotions and demeanors from calm to excited and professional to casual. And details like phone numbers, order IDs, and amounts are spoken accurately—no dropped digits or added words.


Enterprise-Grade Performance and Security
Enterprise-Grade Performance and Security
Cartesia offers unmatched deployment flexibility—cloud, on-premises, and on-device—with full compliance (HIPAA, PCI, SOC 2 Type 2) and 99.9% uptime. Designed for companies that need scale, security, and performance without compromise.
Cartesia offers unmatched deployment flexibility—cloud, on-premises, and on-device—with full compliance (HIPAA, PCI, SOC 2 Type 2) and 99.9% uptime. Designed for companies that need scale, security, and performance without compromise.
Cartesia offers unmatched deployment flexibility—cloud, on-premises, and on-device—with full compliance (HIPAA, PCI, SOC 2 Type 2) and 99.9% uptime. Designed for companies that need scale, security, and performance without compromise.


Lowest Latency in the World
With a Time-to-First-Audio as low as 40ms, Cartesia’s Sonic is the fastest voice model on the market for real-time conversations—designed to keep up with high-volume, high-speed interactions across the world.
With a Time-to-First-Audio as low as 40ms, Cartesia’s Sonic is the fastest voice model on the market for real-time conversations—designed to keep up with high-volume, high-speed interactions across the world.

Lowest Latency in the World
With a Time-to-First-Audio as low as 40ms, Cartesia’s Sonic is the fastest voice model on the market for real-time conversations—designed to keep up with high-volume, high-speed interactions across the world.
