BREAKING
Cartesia Launches Sonic-3.5 & Ink-2
One real-time voice stack
Sonic-3.5
TTS
●
Speech generation
●
Generally available
●
42 native languages
Ink-2
STT
●
Transcription
●
Streaming-focused
●
English only for now
0
ms
First audio (Sonic-3.5)
0
ms
Final transcript (Ink-2)
0
%
Ink-2 word error rate
Why it feels like a real call
1
Listen with Ink-2
↓
2
Detect end of turn
↓
3
Reply via Sonic-3.5
0
%
Conversion lift
0
%
Engagement lift
Available via API, AWS and LiveKit
AI NEWS BLITZ
Cartesia just released a paired voice stack for AI agents: Sonic-3.5 and Ink-2.