About Cartesia (Sonic)
Sonic voice model with 90ms latency — ideal for realtime voice agents and phone bots.
Highlights
- ✓ Production-ready with strong developer documentation
- ✓ Transparent freemium pricing
- ✓ Trusted by developers building AI-native products
FAQ
What is Cartesia (Sonic)?+
Sonic voice model with 90ms latency — ideal for realtime voice agents and phone bots.
Is Cartesia (Sonic) free to use?+
Cartesia (Sonic) is offered under a freemium model. Check the website for the latest tiers.
What are alternatives to Cartesia (Sonic)?+
Popular alternatives include Replicate, HeyGen, ElevenLabs