Question 1

What is S1?

Accepted Answer

S1 is a multilingual text-to-speech model from Fish Audio. It is suited for voice applications that need broad emotional expression, using parenthetical controls to guide speaking style across its supported languages.

Question 2

How much does S1 cost?

Accepted Answer

S1 costs $15.00/M UTF-8 bytes.

Question 3

What inputs and outputs does S1 support?

Accepted Answer

S1 accepts text as input and returns generated speech audio.

Question 4

What other speech models does Fish Audio have?

Accepted Answer

S2 Pro, S2.1 Pro Free (free) and S2.1 Pro are other speech models from Fish Audio.

Question 5

When was S1 released?

Accepted Answer

S1 was released on 2026-07-29.

Fish Audio: S1

fish-audio/s1

Fish Audio: S1

fish-audio/s1

Frequently asked questions

Frequently asked questions