Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate
Key facts
- Vendor
- Cartesia
- Pricing
- Freemium — Free – $49/mo
- Free tier
- Yes
- Platforms
- Api, Web
- Best for
- Developers, Startups
- Editor rating
- 4.5 / 5
- Founded
- 2023
- Headquarters
- San Francisco, CA, USA
What is Cartesia?
Cartesia is a ai audio tool from Cartesia. Cartesia builds ultra-low-latency generative voice models, including Sonic, for real-time speech synthesis and voice agents via API.
Cartesia uses freemium pricing and offers a free tier you can start on without a credit card. Free – $49/mo.
It's best suited to developers, startups and runs on Api, Web.
Standout strengths include real-time latency, high-quality voices, developer-first api. Worth weighing: api-centric, usage costs scale.
Cartesia pricing
Pros
- Real-time latency
- High-quality voices
- Developer-first API
Cons
- API-centric
- Usage costs scale
Cartesia vs alternatives
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Frequently asked questions
What is Cartesia?
Cartesia builds ultra-low-latency generative voice models, including Sonic, for real-time speech synthesis and voice agents via API.
How much does Cartesia cost?
Cartesia is freemium-priced. It has a free tier. Paid plans start at $49/mo.
Does Cartesia have a free trial?
Cartesia offers a free tier rather than a time-limited trial.
What platforms does Cartesia support?
Cartesia is available on Api, Web.