Cartesia vs Fish Audio (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: Cartesia does not list a price
Free plan
Tie
Both have one
Higher rating
Cartesia
4.4 against 4.3
Same job?
Yes
Both are Audio tools

Side by side

Compared on	Cartesia	Fish Audio
Our rating	4.4Better	4.3
Starts at	Free	$5/mo
Free plan	Yes	Yes
Category	Audio	Audio
Plans	Free	From $5/mo
Key features	State space model architecture (Mamba-based) for low latency Sonic (TTS), Ink (STT), and Line (voice agent) product suite Top-ranked on independent speech benchmarks Cloud, on-premise, and on-device deployment options Built for regulated industries (finance, healthcare, government)	Open-sourced underlying model (Fish Speech) available on GitHub Voice cloning from about ten seconds of audio Emotion tags for direct delivery control Over two million community-shared voices 30+ language support
Pros	Architecture specifically optimized for real-time latency Strong independent benchmark rankings Flexible deployment for data residency and compliance needs	Open-source model option, unusual for this category Very large community voice library to browse Fast voice cloning from minimal reference audio
Cons	No published flat pricing, requires contacting sales for production use Built for developers and enterprises, not casual consumer use Newer company with a shorter public track record	Company background and history are thinly documented Community voice quality varies since it's user-contributed Emotion tag control has a learning curve versus simpler sliders
Company	Cartesia, founded 2023	Hanabi AI Inc.

Prices come from each vendor's pricing page, last checked 20260703. Check the vendor before you buy.

FAQ

Questions people ask

Is Cartesia better than Fish Audio?

In our reviews Cartesia scores 4.4 and Fish Audio scores 4.3. The better pick depends on the job. Cartesia: A different model architecture built for real-time voice agents. Fish Audio: Built on an open-sourced model, with a two-million-voice library.

Which is cheaper, Cartesia or Fish Audio?

Cartesia: free. Fish Audio: from $5/mo.

Do Cartesia and Fish Audio have free plans?

Yes, both have a free plan.

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