Step-Audio R1.1

Jan 2026
Step-Audio R1.1
Compare in
on
self-host onlyprice
1.5 sfirst audio?
1.5Time to first audio
Jan 2026released

Run it yourself

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

Benchmarks

in Speech & Voice

FAQ

How much does Step-Audio R1.1 cost?›

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

Is Step-Audio R1.1 free to use?›

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

How good is Step-Audio R1.1, and what is it best at?›

#21 of 25 in Realtime.

Is Step-Audio R1.1 better than Higgs Realtime?›

On Time to first audio · AA, Step-Audio R1.1 scores 1.5 vs 1.5 — about the same.

When was Step-Audio R1.1 released? Is there a newer version?›

Released 2026-01-14. It is the current version in its line.

Is Step-Audio R1.1 open source?›

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

Can I run Step-Audio R1.1 locally?›

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

What is Step-Audio R1.1?›

Step-Audio R1.1 is an open-weights speech & voice model from StepFun, released Jan 2026.

What are the best alternatives to Step-Audio R1.1?›

Qwen3 Omni 30B A3B Instruct (open weights).