StepFunImage model
NextStep-1.1
n/aUser voteshigher is better
n/aour own rating0 to 100
n/aper imagelower is better
34out of 100first value
Summary
NextStep-1.1 is an image model from StepFun. The reviewed model specifications list 15B parameters.
Popularity compared
How often the model is searched for, used and mentioned, compared with every model of its category.
Popularity index
The 100 most popular models of this category, 0 to 100, higher is more popular
20 of 100 models
As of November 2026 · Source: gradually.ai popularity index
Over time
First value from November 5, 2026. The timeline appears from the second week.
NextStep-1.1 compared
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All specifications
Architecture
Watermarking and provenance
AI watermarking refers to invisible signals embedded in the output. Visible marks and provenance metadata are listed separately. Unknown means there is insufficient evidence for that particular field.
- AI watermarking
- Unknown
- no source
- Watermarking technique
- Not known
- no source
Licence and access
Further details
- Documented setup
- The official local example uses 512 × 512 pixels. The pipeline has a negative-prompt parameter, so the empty-negative-prompt setting must be fixed explicitly in the test protocol.
- Source: Documented setup
Sources and data date
| Type | Evidence and data date |
|---|---|
| Additional source | StepFun (retrieved November 1, 2026) · StepFun · Editorial description reviewed November 1, 2026 |
| Additional source | StepFun (retrieved November 1, 2026) |
| Additional source | OpenRouter: Popularity index (derived), CC BY 4.0 |
| Additional source | Vercel AI Gateway: Popularity index (derived), CC BY 4.0 |
| Additional source | Ollama: cumulative downloads for the popularity index |
| Additional source | Replicate: cumulative runs for the popularity index |
| Additional source | Google Trending Now: limited feed selection for Germany and the US |
| Additional source | Creative Commons Attribution 4.0 |