StepFun

company

https://www.stepfun.com/

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Recent Activity

Tingdan updated a model about 9 hours ago

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

Tingdan updated a model about 9 hours ago

stepfun-ai/Step-3.5-Flash-Base

Tingdan updated a model about 9 hours ago

stepfun-ai/Step-3.5-Flash

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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 about 9 hours ago • 132 • 34

stepfun-ai/Step-3.5-Flash-Base

Text Generation • 198B • Updated about 9 hours ago • 513 • 74

stepfun-ai/Step-3.5-Flash

Text Generation • 199B • Updated about 9 hours ago • 255k • • 698

stepfun-ai/Step-3.5-Flash-FP8

Text Generation • 199B • Updated about 9 hours ago • 179k • 48

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

Text-to-Image • 15B • Updated 21 days ago • 31 • 12

stepfun-ai/Step-Audio-R1.1

Audio-Text-to-Text • 33B • Updated 23 days ago • 6.49k • 158

stepfun-ai/Step-Audio-EditX

4B • Updated 23 days ago • 11.5k • 113

stepfun-ai/Step-Audio-2-mini

Any-to-Any • Updated 23 days ago • 2.03k • 252

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

197B • Updated 24 days ago • 637 • 3

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

Text Generation • 197B • Updated 24 days ago • 44.9k • 135

datasets 12

stepfun-ai/GEBench

Updated 12 days ago • 539 • 9

stepfun-ai/NextStep-data

Preview • Updated 21 days ago • 790 • 5

stepfun-ai/CF-Div2-Stepfun

Viewer • Updated 25 days ago • 53 • 91 • 7

stepfun-ai/PaCoRe-Train-8k

Viewer • Updated Jan 14 • 7.52k • 674 • 79

stepfun-ai/AndroidDaily

Viewer • Updated Dec 19, 2025 • 235 • 120 • 13

stepfun-ai/StepFun-Formalizer-Training

Viewer • Updated Oct 13, 2025 • 188k • 213 • 5

stepfun-ai/StepEval-Audio-Paralinguistic

Viewer • Updated Aug 29, 2025 • 550 • 185 • 9

stepfun-ai/StepEval-Audio-Toolcall

Updated Aug 29, 2025 • 279 • 6

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

Preview • Updated May 22, 2025 • 237 • 10

stepfun-ai/GEdit-Bench

Viewer • Updated Apr 29, 2025 • 1.21k • 3.78k • 28

View 12 datasets