Step-Audio 2 mini

Aug 2025
Step-Audio 2 mini
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self-host onlyprice
—main score
Aug 2025released
en, zhLanguages

Run it yourself

estimate
Fits on✓ 8 GB (phone, laptop) · compressed✓ 16 GB · 8-bit✓ 24 GB GPU · full quality✓ 48 GB GPU · full quality✓ 80 GB GPU · full quality
LicenceApache-2.0free for commercial use

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FAQ

How much does Step-Audio 2 mini cost?›

There is no per-unit API price: self-host only.

Is Step-Audio 2 mini free to use?›

There is no free API. The weights are open, so you can run it yourself.

When was Step-Audio 2 mini released? Is there a newer version?›

Released 2025-08-28. It is the current version in its line.

Is Step-Audio 2 mini open source?›

Yes, the weights are open (Apache-2.0 licence).

Can I run Step-Audio 2 mini locally?›

The weights are open and can be self-hosted; hardware needs are not confirmed yet.

What is Step-Audio 2 mini?›

Step-Audio 2 mini is an open-weights speech & voice model from StepFun, released Aug 2025.