Question 1

What is Fish Audio S2 Pro?

Accepted Answer

It is Fish Audio's flagship text-to-speech model. It supports zero-shot voice cloning, emotion control through text tags, and more than 80 languages. Learn more at fish.audio.

Question 2

How much audio do I need to clone a voice with Fish Audio?

Accepted Answer

Fish Audio documents typical reference samples of about 10 to 30 seconds. Clean, clear recordings give better results than longer noisy ones.

Question 3

What is voice conversion on Fish Audio?

Accepted Answer

Voice conversion changes recorded speech into another voice while keeping the original timing and delivery. On Fish Audio this is done with the voice changer feature.

Question 4

Is Fish Audio S2 Pro open source?

Accepted Answer

The model weights are available to download and self-host under the Fish Audio Research License Agreement. See the Fish Speech repository and review the license terms before using it commercially.

Question 5

How many languages does Fish Audio S2 Pro support?

Accepted Answer

The model documentation lists more than 80 languages, and it supports cross-lingual cloning, where a voice cloned in one language speaks another.

Question 6

Can I control emotion and tone with S2 Pro?

Accepted Answer

Yes. S2 Pro accepts inline [tag] instructions written in natural language to adjust emotion and prosody at sub-word level.

Question 7

Is Fish Audio free?

Accepted Answer

Fish Audio has a free tier with a limited monthly credit allowance and a few public voice slots. Paid plans add capacity, private voices, and commercial use. Check the official site for current details.

Question 8

Can I clone someone else's voice?

Accepted Answer

Only with their explicit permission. Using a cloned voice to impersonate or mislead people is unethical, may be illegal, and can get your content or account removed.

Text-to-Speech	Yes
Voice cloning	Instant voice cloning supported
Dubbing	Supported through Fish Audio workflows
Supported languages	80+ languages
Voice conversion	Not listed as a core S2 Pro capability
Real-time audio	Yes · streaming
Emotion control	Open-ended natural-language direction tags
Voice design	Available through Fish Audio platform plans
Speech-to-Speech	Not listed as a core S2 Pro capability
Voice library	Available through Fish Audio platform

API Access	REST API
SDK availability	Python; TypeScript
Commercial use	Platform plans allow commercial use; open weights require commercial license

Free plan	$0/month · 8,000 credits · up to 7 minutes
Pricing model	Subscription or API pay-as-you-go ($15/1M UTF-8 bytes)
Paid plans	Plus $11 annual/$15 monthly · Pro $75 annual/$100 monthly · Max $749 annual/$999 monthly

Voice cloning modes	Instant; Enhanced/Professional via platform
Minimum cloning sample duration	Short reference audio; 30 seconds recommended on production page

Fish Audio S2 Pro

About Fish Audio S2 Pro

Specifications

Capabilities

Developer

Languages & Voices

Developer & Integration

Pricing

Voice cloning

Performance

Output

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Reviews & Guides

Fish Audio S2 Pro: A Professional Guide to Voice Cloning and Voice Conversion