Back_to_Directory
Cartesia Sonic-3
Audio AI Agents Customer Support

Cartesia Sonic-3

Integrate real-time text-to-speech with Sonic-3, Cartesia’s streaming TTS API. Generate natural, expressive voices with laughter in 40+ languages—built for AI agents and interactive apps.

Cartesia Sonic-3 screenshot

Key Features

Real-time TTS

Integrates real-time text-to-speech with expressive voices.

Multi-language Support

Supports over 40 languages, including Hindi.

AI Emotion and Laughter

Generates voices that can laugh and express emotions.

Low Latency

Designed for ultra-low latency for seamless interactions.

Use Cases

Customer service
Healthcare
Gaming
Hospitality

Videos

Pricing Plans

Free
$0/month
Pro
$4/month (billed yearly)
Startup
$39/month (billed yearly)
Scale
$239/month (billed yearly)
Enterprise
Contact us