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The #1 AI voice generator free to try, no sign-up
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From text to speech
Try a passage from your script, compare voices, and find the right delivery.
Write your script
Paste up to 500 characters into the demo, or pick a sample to hear a starting point.
Choose a voice
Choose a language and voice, then press Play. Try the same sentence with another voice to compare.
Create your audio
Continue in the Playground for more controls, or use the API to generate audio from your application.
Make it your own
Fine-tune your recording in the Playground, or add speech to your app.
Create in the Playground
Choose a voice, adjust speed and emotion, and listen back as you revise. Use it for a video voiceover, narration, or a phone prompt.
Open the PlaygroundBuild with the API
Send text and a voice ID to Sonic. Stream speech as it generates, or save audio as MP3 or WAV with the bytes endpoint.
Explore the speech APIFluent and native, worldwide
Reach international markets with Sonic — 44 languages and a wide range of accents, all with native-speaker quality voices.
Clone a voice from a short sample
Start with 10 seconds of clean speech from one speaker. Create your own voice in the Playground or API, then use it to read new scripts. Listen to the original and cloned samples here to compare.
Explore voice cloningBuild with your coding agent
Install Cartesia's skill, then ask your agent to add voices, streaming audio, or text to speech to your app.
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Talk to an expert.
Connect with a member of our team and learn how Cartesia can help you build world-class voice experiences.
Start building.
Access our models via API and bring a voice agent into production in minutes.