Voice.ai provides AI voice agents, text to speech, voice changing and voice cloning for businesses handling customer calls and for creators producing audio.
Free plan · Paid from $5/mo
Cartesia
Cartesia provides real-time voice agents and the speech models behind them, through an API, for financial services and healthcare or government organizations.
- Free plan
- API
- Verified 18 Oct 2026
What Cartesia does
Cartesia offers voice agents that answer and make calls, along with text-to-speech and speech-to-text models, all accessed through one API. Its features include the Sonic text-to-speech model, the Ink speech-to-text model, and the Managed Agents platform for building voice agents. Signup is self-serve, and plans range from a free tier to Scale at USD 299/month billed monthly, with Enterprise available through sales.
Built for
- Financial services teams
- Healthcare and government organizations
Key features
- Text-to-speech with Sonic model
- Speech-to-text with Ink model
- Managed Agents platform for building voice agents
- Instant voice cloning (Pro plan and above)
- Professional voice cloning (Startup and Scale plans)
- SOC 2 Type II certified
Pros and cons
Pros
- Text-to-speech (Sonic), speech-to-text (Ink) and a Managed Agents platform are available together in one API.
- Self-serve signup is available.
- The company states it is SOC 2 Type II certified.
- A Free plan is offered at no cost, with 20K credits and $1 prepaid agents per month.
Cons
- Instant voice cloning is available only on the Pro plan (USD 5/month billed monthly) and above.
- Professional voice cloning is limited to the Startup (USD 49/month billed monthly) and Scale (USD 299/month billed monthly) plans.
- Enterprise pricing is not published and requires contacting sales.
Where Cartesia is listed
Cartesia is listed under voice agents in Sales and support AI tools.
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