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NextStep

by StepFun

AI Model
Low Confidence

NextStep is a image AI model developed by StepFun. This full performance model is based on NextStep-1-Large-Pretrain. The model is licensed under Apache-2.0. Released in 2025-08. Image generation model by StepFun.

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Transparency Score

Weighted across four pillars · updated January 26, 2026

Overall grade
25% weighted
ABCDF
Model
—
Not yet assessed
Infrastructure
—
Not yet assessed
Openness Assessment
14%Closed
2 Open
0 Partial
7 Closed
5 Unknown
Availability
0/5 Open
Documentation
1/6 Open
Access Methods
1/3 Open
Data from EU Open Source AI Index (DOI: 10.5281/zenodo.15386042), licensed under CC-BY 4.0

Capabilities

Image Generation
Image Editing
Image Classification

Vendor Information

Complete information about the vendor/provider of this AI application

StepFunView all products →
Shanghai Jieyue Xingchen Intelligent Technology Co., Ltd.
Contact Information
www.stepfun.com/
Registered Address
30th Floor, No. 701 Yunjin Road,, Shanghai, Yuhui District, China

EU AI Act Provider Information

Verification Status:
Verified
Shanghai Jieyue Xingchen Intelligent Technology Co., Ltd.
30th Floor, No. 701 Yunjin Road,, Shanghai, Yuhui District, China

Potential Risks

1 considerations identified

1

Review recommended before use

These considerations are automatically identified based on publicly available information about the vendor and AI catalog data. Actual risks may vary based on your specific use case and implementation.

Compliance & Risk

Get insights into risk by running assessments on this AI application.

Work at StepFun? Claim this listing to correct or complete the data.

Added: January 26, 2026
Updated: January 26, 2026

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