Cartesia specifications
- Pricing
- Free — Managed Service Get a Demo Get Started All there is to know about the latest prospecting techniques. Subscribe Growth Agency Inboxes Grow your revenue Ressources Tech Stack Video Content Case Studies
- Best for
- Sonic-3 is perfect for businesses needing fast, natural-sounding voice AI for agents across industries like healthcare a
- Category
- Revenue Intelligence & Analytics
- Key capabilities
- Streaming text-to-speech with emotionsContext-savvy accuracy for conversationHandles acronyms intelligentlyUltra-low latency for real-timeSupports over forty languagesInstant custom and pro clones
- Website
- cartesia.com
- Listing type
- Directory profile
What Cartesia does
Cartesia Sonic-3 is a cutting-edge text-to-speech tool designed for voice agents. It belongs to the voice AI and conversational agent category. What sets Sonic-3 apart is its ultra-low latency of around 90 milliseconds, natural-sounding voices that laugh and emote, and support for 40+ languages including 9 Indian languages. Users choose it for real-time, human-like voice interactions that feel seamless and engaging. Sonic-3 excels in customer support, healthcare scheduling, gaming, and logistics, where natural conversations matter. It delivers value almost instantly with fast streaming responses and easy voice cloning in under 10 seconds. This allows teams to quickly prototype and launch voice-enabled products. Sonic-3 integrates smoothly as the voice layer in your tech stack alongside CRM, contact center, and automation tools, powering real-time dialogue with expressive voices. However,
Core capabilities
- Streaming text-to-speech with emotions
- Context-savvy accuracy for conversation
- Handles acronyms intelligently
- Ultra-low latency for real-time
- Supports over forty languages
- Instant custom and pro clones
Pricing
| Model | Free |
|---|---|
| Observed pricing | Managed Service Get a Demo Get Started All there is to know about the latest prospecting techniques. Subscribe Growth Agency Inboxes Grow your revenue Ressources Tech Stack Video Content Case Studies |
Pricing read from the vendor’s public pages and re-checked each quarter. Seat minimums and annual commitments are excluded unless stated.
Who it fits
Sonic-3 is perfect for businesses needing fast, natural-sounding voice AI for agents across industries like healthcare a
How we classify it
Listed under Revenue Intelligence & Analytics. Verdicts are written from public pricing, documentation and hands-on trials — not from vendor briefings.
Henryk Wexel runs Quota Engine. He spent a decade selling B2B software and building outbound systems — as a founder, as a seller at Silverfort and Cradlepoint, and as the person on the hook for pipeline numbers. He writes the reviews here because he has bought, deployed, argued about and cancelled most of the tools in this index. Based in Palma de Mallorca.