Tool · Voice and speech

Cartesia

A fast text-to-speech and speech-to-text service aimed at developers building voice apps and phone agents. Paid plans add commercial use and copying a voice from a short clip. Free plan is for personal use.

Go to Cartesia’s website

At a glance

Open or closed
Closed
Only usable through the maker's app or API
source · checked 12 Oct 2026 · checked on the maker's own page
Licence
Cartesia Terms of Service (The maker's own terms)
source · checked 12 Oct 2026 · checked on the maker's own page
Can I sell what I make?
Yes, on paid plans (from the Pro plan)
Terms 4.1: personal, non-commercial use unless the subscription tier permits commercial use. Pricing lists a commercial use licence from Pro up, none on Free.
source · checked 12 Oct 2026 · checked on the maker's own page
Cost
Free option: 20K credits a month (1 credit = 1 character of speech), no voice cloning, no commercial licence
Plans below.
How you use it
Maker's own API
Pricing is per API concurrency; a browser playground was not checked.
source · checked 12 Oct 2026 · checked, but the page was unclear or partial
Skill needed
Technical
Inferred: product is sold mainly as an API.
source · checked 12 Oct 2026 · inferred or from a secondary source; needs review
Made by
Cartesia AI, Inc. (US)
Terms give a San Francisco, CA address and say the services are offered from facilities in the USA.
source · checked 12 Oct 2026 · checked on the maker's own page
Status
Available
source · checked 12 Oct 2026 · checked on the maker's own page

What you can make with it

text to audioaudio to text

Pricing lists text to speech, speech to text, instant and professional voice cloning, and voice agents (no matching task id).
source · checked 12 Oct 2026 · checked on the maker's own page

Plans and prices

PlanPriceIncludes
FreeFree20,000 credits a month
Commercial use: No
Pro$5 a month100,000 credits a month
Text to speech: 1 credit = 1 character; about 750-800 credits per minute of audio. Speech to text: 3 credits per second.
Commercial use: Yes
Startup$49 a month1,250,000 credits a month
Adds 2 professional voice clone slots
Commercial use: Yes
Scale$299 a month8,000,000 credits a month
Adds 4 professional voice clone slots
Commercial use: Yes
Prices shown as '$' only; USD assumed. Each plan also includes the same amount in prepaid voice-agent dollars. Enterprise is custom. Only monthly prices listed.
source · checked 12 Oct 2026 · checked, but the page was unclear or partial

Rough cost of 1 minute of speech: about $0.04 / £0.03 (estimate, worked out by Plainly, not a price the maker publishes). $5 / 100,000 credits x 800 credits per minute (upper end of the stated 750-800) = $0.04. GBP at 0.75.

Rights and safety

Trains on your work?
Trains on your work unless you opt out
Terms 5.3(c)-(d): inputs and outputs may be used to train models unless agreed otherwise; you can ask them to stop for certain categories, going forward only.
source · checked 12 Oct 2026 · checked on the maker's own page
Real faces and voices
Copies a real voice (instant voice clone), you only promise you have permission
Copies a real voice (professional voice clone), you only promise you have permission
Terms forbid using another person's voice without express permission and rely on your warranty; no verification step described. Product pages for cloning not read.
source · checked 12 Oct 2026 · checked, but the page was unclear or partial

Other options for “A voice or speech, read my text aloud”

Adobe Firefly, Akool, Amazon Polly, Arcads, Async (formerly Podcastle), Azure AI Speech, Bark, CAMB.AI, Chatterbox, Clipchamp, Deepgram, DeeVid AI, Descript, Dia, Dubverse, Eleven v3, ElevenLabs, F5-TTS, fal, Filmora, Fish Audio, FlexClip, Fliki, getimg.ai

About this entry

Facts last checked 12 Oct 2026 against the maker’s own pages (each fact links to its source). Entry status: draft. Plain-English summary written by Plainly.