StepAudio 3 TTS

Name: StepAudio 3 TTS
Author: StepFun

ttsproprietary

Capabilities

Show unsupported (13)

No supported capabilities recorded.

Model IDstepaudio-3-tts

ProviderStepFun

Creatorstepfun

Family—

Licenseproprietary

Statusactive

Typetts

Input modalities—

Output modalities—

Open weightNo

Parameters—

Architecture—

Max chars—

Sample rate—

Voices—

Languages—

Release date—

Sourceofficial

2.5 元／万字符 (CNY)

GET/v1/models/stepfun/stepaudio-3-tts

stepaudio-3-tts

Changes · 2 entries

stepaudio-3-ttscreateca7a400Nov 2, 2026, 03:02 AM

stepaudio-3-ttscreateb2f45bfOct 29, 2026, 03:29 AM