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Cartesia

San Francisco-based voice AI company founded 2023. Private. Builds ultra-realistic, low-latency voice AI models (Sonic TTS, Ink STT) powered by state space models. Serves developers and enterprises building real-time voice agents and applications.

Entry price

Pro · /mo

Plans tracked

no add-ons

Pricing changes

Latest Wk 34 '26

Pricing model

Subscription

Free tier available

Pricing Change History

2 changes

20262 changes

Wk 34 '26

Packaging

Cartesia: Professional voice cloning capped (unlimited → 2/4/Custom)

Professional voice cloning changed from unlimited/included to capped usage limits: Startup 2, Scale 4, Enterprise Custom. Hero copy also dropped the "unlimited...voice slots" claim.

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Wk 31 '26

Improvement

Cartesia: Instant voice cloning moved out of Free plan

"Instant voice cloning" moved out of the Free plan in the detailed comparison table: Free's cell flipped from included (checkmark) to not included (X); Pro, Startup, Scale, and Enterprise are unaffected and remain included

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