StepAudio 3

StepAudio 3 audio studio

StepAudio 3 — TTS, ASR, Realtime, Gen & Music

CREATEGenerate with StepAudio 3
Live

2 credits per request · reserved once before generation

Model: stepaudio-3-tts

Try a StepAudio 3 example

Click a card to load the prompt into the studio, then review the credit cost before generating.

What Is StepAudio 3?

StepAudio 3 gives creators one workspace for StepFun audio. Start with text-to-speech on StepAudio 3 TTS, switch to ASR for recordings, talk live with Realtime, and create audio with Gen and Music. Credits are quoted before you submit.

5 modesTTS, ASR, Realtime, Gen, Music
StepAudio 3Primary TTS model
UpfrontCredits before creation

Where StepAudio 3 fits

Product narration

Write a launch script in StepAudio 3 TTS and export a spoken take for demos and onboarding.

Meeting transcripts

Drop a recording into ASR and keep an editable transcript instead of replaying the whole call.

Scene audio

Use Gen to mix speech, room tone, and cues into one clip for a storyboard or trailer.

Song drafts

Give Music a style caption and lyrics to hear a first chorus before a longer session.

StepAudio 3 Features

One studio for speech, recognition, realtime agents, unified audio, and music — with credits shown before you submit.

01

Speak with StepAudio 3 TTS

Write a script, choose a system voice, and generate downloadable speech with an upfront credit quote.

02

Transcribe when you need text

Switch to ASR for recordings that should become editable transcripts instead of new audio.

03

Talk live, then create with Gen and Music

The same studio hosts Realtime voice conversations with barge-in, unified audio generation, and music creation.

04

Account history for every result

Signed-in generations stay in your account so you can replay, download, and iterate without losing the last good take.

Start Creating Now

How StepAudio 3 Works

  1. 01

    Open the StepAudio 3 studio

    Start on TTS by default, or switch mode when you need ASR, Realtime, Gen, or Music.

  2. 02

    Provide the input

    Paste text for speech, upload audio for transcription, or give a creative brief for Gen and Music.

  3. 03

    Review the credit quote

    Confirm the model and cost before submission. Credits are reserved before the provider request starts.

  4. 04

    Play and keep the result

    Listen in the browser, download the file, and find completed work in your account history.

Clear Pricing. Automatic Failure Refunds.

See the credit cost before every generation, then choose a subscription or a one-time top-up when you need more.

Pay month to month, receive a fresh credit grant after every successful renewal, and cancel anytime.

Start here

Free

Try StepAudio 3 TTS after sign-in.

Freeto start
2 welcome credits
Estimated capacityUp to 1 audio jobFrom 2 credits per audio job
  • 2 welcome credits
  • StepAudio 3 TTS route
  • System voices
  • Generation history
Monthly plan

Studio

For campaigns and higher-volume production.

$49/ month
330 credits / month
$0.148 / credit
Estimated capacityUp to 165 audio jobsFrom 2 credits per audio job
  • 330 credits every month
  • Credits roll over
  • Generation history
  • Email support
Monthly plan

Max

For larger workloads, with adjustable credit capacity.

$98/ month
660 credits / month
$0.148 / credit
Estimated capacityUp to 330 audio jobsFrom 2 credits per audio job
  • Monthly credit grant
  • Scale up to 5x credits
  • Credits roll over
  • Generation history
  • Email support
  • Cancel anytime

Capacity uses the lowest-cost live setup for this site. Your exact credit cost changes with the selected model and settings and is shown before generation.

How billing and credits work

StepAudio 3 FAQ

What is StepAudio 3?

StepAudio 3 is this site's product name for a StepFun audio studio covering TTS, ASR, Realtime, Gen, and Music. The homepage keyword and primary CTA center on StepAudio 3 TTS.

Which TTS model does the site use?

Text-to-speech uses StepFun model stepaudio-3-tts through the official audio speech API.

Is this affiliated with StepFun?

No. StepAudio 3 is an independent product that calls StepFun APIs. StepFun and its model names belong to their respective owner.

When can I generate audio?

Generation stays disabled until API credentials, cost gates, and billing checks pass the launch SOP. The studio UI can still be reviewed while live generation is off.

Start with StepAudio 3 TTS

StepAudio 3 is a focused studio for StepFun audio models. Generate speech with StepAudio 3 TTS, transcribe with ASR, try Realtime voice, create audio with Gen, or compose with Music.

Open the studio