r/LocalLLaMA • u/ResearchCrafty1804 • 3h ago

New Model Stepfun Step-5-Preview released! (600B/27B-1M Context)

https://huggingface.co/stepfun-ai/Step-5-Preview-BF16

Step 5 Preview is StepFun's flagship model for agentic work. It delivers frontier-level performance across software engineering and professional knowledge work, with particular strength in finance.

109 Upvotes

97% Upvoted

18 comments sorted by

38

u/Middle_Bullfrog_6173 3h ago

Previous open flash models were under Apache 2, this has a non-commercial license.

14

u/ilintar 2h ago

Yeah, it's becoming a trend - Apache with a MaaS commercial exclusion tacked on.

12

u/ResidentPositive4122 1h ago

Apache with a MaaS commercial exclusion tacked on.

This is more than that. They also define distilling as "derivative". This is a dedicated license where you can use it for internal stuff as long as you don't serve clients directly. They also have the attribution clause > 100M mau and 20M$ revenue.

As long as it's clear (not that modified MIT nonsense), licensing is up to them. They put in the effort and decide how to license it. All fair game. Sad that there's more and more of this, but it is what it is...

3

u/zdy132 51m ago

Eh it does no harm to us hobbyists. Those with enough resources to be limited by this license can wipe tears with their GPU clusters for all I care.

1

u/ttkciar llama.cpp 22m ago

Some of those limited by this license have been releasing open models for your benefit.

Do you not see how thus limiting them might benefit you less?

1

u/zdy132 16m ago

Some of those limited by this license have been releasing open models for your benefit.

I'd like to know which one.

3

u/coder543 43m ago

It’s not a “trend”. Ling-3.1-Flash weights were literally released under MIT license this week.

There have always been labs releasing models under bad licenses. We’re just learning that over long enough periods of time, labs seem to go through cycles of good and bad licenses.

Just ignore the models with bad licenses and move on.

10

u/Dany0 2h ago

Byte-identical to the "leak" 25 days ago, only the license changed

Except they cannot take it back lmfao. Regardless I can't wait for the full non preview

6

u/BlackBeardAI vLLM 2h ago

artificialanalysis says it is almost as good as glm5.3 (max) overall

4

u/Barni275 1h ago

Ah, if only. Hard to believe tbh. I have yearly stepfun plan, and never use it. As we see on great models that we have today, none appear from nowhere. All GLM, Kimi, Qwen or Deepseek models come from brilliant engineering teams.

1

u/ColoredTriangles 55m ago

Step 3.7 Flash was the best of that size at the time.

1

u/crusaderky 4m ago

Unsure about its ability to solve coding exercises, but its coding taste so far looks awful

3

u/__Maximum__ 2h ago

i haven't used it much, but for the vision tasks it was not frontier. I hope it's frontier in other areas.

2

u/Ok_Warning2146 2h ago

Seems competitive for its size. Would be great to see if the non-preview model can beat glm 5.3 in terminal v4.

2

u/dees61 1h ago

Seems not for the consumers hardware.