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Cartesia vs Fish Audio: catalog facts
Cartesia	Fish Audio
Paid Plans are listed on the pricing page, with a sales contact for larger deployments.	Freemium Free to start, with paid plans and API access.
Web	Web
One API covers text-to-speech, transcription and voice agents Built for low-latency, real-time conversation	Inline tags for emotions, pauses and effects Over two million community voices in eight languages
Mainly an API for developers rather than a consumer app Cloud only, with no local option	Runs only as an online service Heavier use requires a paid plan
Hosted service	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.