StepAudio 3

StepAudio 3

StepFun
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About

StepAudio 3 is StepFun’s next-generation audio model family, built to understand, generate, and interact through voice, sound, and music. The lineup includes StepAudio 3 Realtime for natural full-duplex conversation, StepAudio 3 ASR for speech recognition, StepAudio 3 TTS for speech synthesis, StepAudio 3 Gen for general-purpose audio generation, and StepAudio 3 Music for long-form music creation. Realtime is designed around a continuous listen-converse-think-act loop, understanding not only words but also hesitation, laughter, emotion, pauses, backchannels, and interruptions. It can think while speaking, reason through harder questions without breaking conversational flow, and use tools to complete tasks once it understands the user’s intent. StepAudio 3 Gen unifies zero-shot TTS, voice design, vocal generation, sound effects, music, and mixed audio generation within one framework, while StepAudio 3 Music supports text-controlled songs, instrumentals, vocal arrangement, and more.

About

StepFun is an all-in-one AI assistant powered by Deepseek-R1 that helps you acquire knowledge, summarize documents, and craft long-form content, whether you’re writing a novel or composing professional reports, while also enabling rich multimedia creation: generate images and videos from text prompts, ask questions about photos or automatically caption them, and solve daily problems through natural, free-flowing chat. It features a Discover Channel where you can explore trending prompts, share your creations, and connect with a creative community, and it adapts to your needs across work, study, language learning, and personal brainstorming, even offering empathetic companionship when you need to vent. Designed as a mobile-friendly app, StepFun unifies search, content generation, translation, and interactive multimedia in one smooth interface, keeping ideas flowing and tasks streamlined.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers, AI teams, and creators needing to build real-time voice agents, speech applications, transcription systems, and generative audio or music experiences

Audience

Individuals requiring a solution to research information, write and summarize text, and generate or interpret images and videos on the go

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

StepFun
United States
static.stepfun.com/blog/stepaudio3/

Company Information

StepFun
China
stepfun.ai/

Alternatives

Alternatives

Seed-Music

Seed-Music

ByteDance
Phi-4-reasoning

Phi-4-reasoning

Microsoft
Fugatto

Fugatto

NVIDIA
DeepSeek R1

DeepSeek R1

DeepSeek

Categories

Categories

Integrations

DeepSeek R1
Loopa

Integrations

DeepSeek R1
Loopa
Claim StepAudio 3 and update features and information
Claim StepAudio 3 and update features and information
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