Free
- Trial access to the speech API
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Cartesia
Cartesia
What you will be able to buy
Plans
Pro
- Voice cloning and commercial use
- Low-latency streaming synthesis
Scale
- Higher production request limits
- Enhanced support
Enterprise
- Dedicated capacity and SLA
- Custom deployment terms
Plan contents as published by the vendor; seller prices arrive at launch.
About the service
Cartesia builds the Sonic speech generation models, focused on ultra-low latency for real-time voice agents. It provides APIs for synthesis and voice cloning, streaming audio output and multilingual narration. It is aimed primarily at developers building phone and conversational assistants.