Cartesia Sonic
Ultra-fast generative voice model with sub-100ms latency designed for interactive real-time voice agents.
Problem
TTS APIs have 500ms+ latencies, causing awkward pauses in real-time voice agents.
Solution
State space model architecture delivering voice synthesis with under 100ms time-to-first-audio.
Challenge
Information not available.
Key Features
- Sub-100ms audio stream
- Emotional modulation
- Multilingual voice cloning
- WebSocket API
Tech Choices
Tech stack not specified.
Target User
General developers.
Impact
"The impact of this tool is currently being measured by the community."
Quick Details
- Pricing
- Paid
- Platforms
- API, Cloud
- Updated
- 8/19/2026