Cartesia builds Sonic, a real-time text-to-speech API designed for voice agents and interactive apps.
Generate lifelike speech with emotion, laughter, and natural pacing via API
Get responses in under 90ms — fast enough for real-time conversations
Speak in 40+ languages with native-sounding voices
Clone voices instantly from a short audio sample
Enterprise security with SOC 2, HIPAA, and PCI compliance
Source: Cartesia Sonic·Verified March 2026
No integrations listed yet for Cartesia (Sonic).
Cartesia is AI-native. Its Sonic model generates expressive, human-like speech in real time with emotional speech synthesis, instant voice cloning, intelligent acronym handling, multilingual generation, and streaming text-to-speech for conversational AI agents.
Source: Cartesia Sonic·Verified March 2026
Cartesia Sonic is a top-tier text-to-speech API for businesses building voice agents or phone bots. Speed and voice quality are best-in-class. However, this is a developer tool — you need engineering resources.
AI-generated training guides tailored to your team's size, skill level, and focus areas for Cartesia (Sonic) — coming in v0.3.2.
View our roadmap →We're building a review system so business owners like you can share real experiences with Cartesia (Sonic).
Last researched: March 2026
