Unmatched Voiceover Capabilities
Experience lifelike voiceover with fine control over pitch, speed, and emotion.
Multilingual Voices
Access a diverse range of voices in multiple languages for global reach.
No Hallucination
Ensure accurate and reliable voiceover without unexpected errors or distortions.
Ultra-Fast Response
Enjoy rapid voiceover generation with a time-to-first-audio of just 90ms.
Make your content accessible to a global audience.
Sonic supports seamless speech in 13 languages, with more added every release.
15 Languages
From Japanese to German—any language you need, we’ve got it.
Localization
Localize a given voice to any accent or language.
High Emotional Range
Achieve a wide emotional range in voiceover, adapting to content and context seamlessly.
Expansive Voice Library
Choose from thousands of voices to match your content perfectly, enhancing storytelling.
Precise Control
Control emotions, timing, and inflections for perfect voiceover delivery.
What our customers say
Join the growing list of companies opting for Sonic.
"This partnership represents a transformative moment in enterprise AI adoption," said Melissa Gordon, CEO of Rasa. "By combining Rasa’s strengths in enterprise conversational AI with Cartesia's innovative voice technology, we're fundamentally changing how enterprises can deploy and scale AI assistants across their organizations."
"We're thrilled to partner with Cartesia - their technology has dramatically improved the accuracy and reliability of our call center agents. Beyond just providing best-in-class voice AI, the Cartesia team has been a true partner in helping us transform 24/7 patient support for over 215,000 patients. Their support has been instrumental in making exceptional care accessible anytime, anywhere."
Jeffrey Liu, Founder and co-CEO, Assort Health
"Together AI's mission has always been to provide developers with the most powerful and efficient tools for building AI applications," says Vipul Ved Prakash, Together AI's CEO. "Cartesia is leading the charge of building efficient, multimodal models from first principles, starting with their Sonic TTS model. By integrating Sonic into our platform, we're enabling developers to create sophisticated multi-modal applications that leverage the most advanced and lowest latency voice model available today, all while maintaining the simplicity and reliability our users expect."
How to Create AI Voice Over with Ease
Step One
Visit Cartesia's website and explore their AI voiceover tools. Sign up for an account to get started.
Step Two
Select your desired voice and language from the expansive library. Customize pitch and speed as needed.
Step Three
Generate your voiceover and download the audio file. Use it in your projects for professional results.
