Step-Audio R1.1 measured on 2 of 34 Realtime benchmarks2
BenchmarkByScoreRank
Legacy · saturated or no longer reported1
No benchmark matches
self-host onlyprice
1.5 sfirst audio?
1.5Time to first audio
Jan 2026released
Alternatives?
ModelScoreCostPriceWhat changes
ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
Run it yourself
estimateFits 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
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).