StepFun

company

https://www.stepfun.com/

AI & ML interests

None defined yet.

Recent Activity

xianbao submitted a paper about 6 hours ago

The Curse and Blessing of Mean Bias in FP4-Quantized LLM Training

Randomize new activity 2 days ago

stepfun-ai/Step-3.5-Flash-Base:文件不全，如何部署

Xrocli new activity 2 days ago

stepfun-ai/NextStep-1.1:Cannot load the model successfully

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Papers

Dropping Anchor and Spherical Harmonics for Sparse-view Gaussian Splatting

Step 3.5 Flash: Open Frontier-Level Intelligence with 11B Active Parameters

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Collections 12

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spaces 11

Step-Audio-EditX

Try out Step-Audio-EditX

Step-3.5-Flash Chatbot

Run interactive Streamlit apps directly in your browser

Step3 VL 10B

Chat with a multimodal AI using text and images

Step Audio R1.1

Step-Audio-R1.1

Step-3

Interact with a multimodal AI assistant using text and images

NextStep 1 Large Edit

Modify images based on text prompts

models 47

stepfun-ai/Step-3.5-Flash-Base-Midtrain

Text Generation • 198B • Updated 4 days ago • 170 • 34

stepfun-ai/Step-3.5-Flash-Base

Text Generation • 198B • Updated 4 days ago • 663 • 78

stepfun-ai/Step-3.5-Flash

Text Generation • 199B • Updated 4 days ago • 104k • • 708

stepfun-ai/Step-3.5-Flash-FP8

Text Generation • 199B • Updated 4 days ago • 209k • 48

stepfun-ai/NextStep-1.1-Pretrain-256px

Text-to-Image • 15B • Updated 25 days ago • 31 • 12

stepfun-ai/Step-Audio-R1.1

Audio-Text-to-Text • 33B • Updated 27 days ago • 6.5k • 159

stepfun-ai/Step-Audio-EditX

4B • Updated 27 days ago • 13.4k • 114

stepfun-ai/Step-Audio-2-mini

Any-to-Any • Updated 27 days ago • 1.24k • 254

stepfun-ai/Step-3.5-Flash-GGUF-Q8_0

197B • Updated 28 days ago • 472 • 3

stepfun-ai/Step-3.5-Flash-GGUF-Q4_K_S

Text Generation • 197B • Updated 28 days ago • 41.5k • 137

datasets 12

stepfun-ai/GEBench

Updated 16 days ago • 1.3k • 9

stepfun-ai/NextStep-data

Preview • Updated 25 days ago • 836 • 6

stepfun-ai/CF-Div2-Stepfun

Viewer • Updated 29 days ago • 53 • 46 • 7

stepfun-ai/PaCoRe-Train-8k

Viewer • Updated Jan 14 • 7.52k • 676 • 79

stepfun-ai/AndroidDaily

Viewer • Updated Dec 19, 2025 • 235 • 125 • 14

stepfun-ai/StepFun-Formalizer-Training

Viewer • Updated Oct 13, 2025 • 188k • 178 • 5

stepfun-ai/StepEval-Audio-Paralinguistic

Viewer • Updated Aug 29, 2025 • 550 • 193 • 10

stepfun-ai/StepEval-Audio-Toolcall

Updated Aug 29, 2025 • 290 • 6

stepfun-ai/Step1X-3D-obj-data

Preview • Updated May 22, 2025 • 171 • 10

stepfun-ai/GEdit-Bench

Viewer • Updated Apr 29, 2025 • 1.21k • 3.9k • 28

View 12 datasets