Advanced Capabilities of Our TTS API
Our TTS API offers multilingual voices with fine control over pitch, speed, and emotion.
Multilingual Support
Access voices in multiple languages, making your content globally accessible with our TTS API.
No Hallucination
Ensure accurate voice transformations without distortions, maintaining clarity and authenticity.
Fast Response Time
Experience a blazing fast 90ms time-to-first-audio with our TTS API for seamless interactions.
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.
Lifelike Voice Quality
Achieve lifelike voice transformations with our TTS API, ensuring natural sound and engaging user experiences.
Global Reach
Expand your audience with our multilingual TTS API, offering authentic voices in multiple languages.
Customizable Audio
Tailor your audio output with precise control over voice characteristics using our TTS API.
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 Use Python Text to Speech API
Step One
Visit Cartesia's website and sign up for access to our TTS API. Explore the documentation for integration details.
Step Two
Select the desired language and voice settings. Use the API to input text and generate audio in real-time.
Step Three
Implement the generated audio into your application, ensuring seamless and engaging user interactions.