StepFun

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company

https://www.stepfun.com/

StepFun_ai

stepfun-ai

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Recent Activity

WinstonDeng updated a model about 3 hours ago

stepfun-ai/Step-3.5-Flash-Int4

bobzhuyb new activity about 4 hours ago

stepfun-ai/Step-3.5-Flash-Int4:What are the benchmarks of the 4 bit model vs the FP8 model?

bobzhuyb new activity about 18 hours ago

stepfun-ai/Step-3.5-Flash:NVFP4

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Papers

STEP3-VL-10B Technical Report

PaCoRe: Learning to Scale Test-Time Compute with Parallel Coordinated Reasoning

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stepfun-ai 's models 43

stepfun-ai/Step-3.5-Flash-Int4

Text Generation • 197B • Updated about 2 hours ago • 88

stepfun-ai/Step-3.5-Flash-FP8

Text Generation • 199B • Updated about 24 hours ago • 3.78k • 38

stepfun-ai/Step-Audio-EditX

4B • Updated 1 day ago • 6.66k • 110

stepfun-ai/Step3-VL-10B-FP8

Image-Text-to-Text • Updated 1 day ago • 3

stepfun-ai/Step3-VL-10B

Image-Text-to-Text • 10B • Updated 1 day ago • 73k • 381

stepfun-ai/Step-3.5-Flash

Text Generation • 199B • Updated 2 days ago • 5.6k • 430

stepfun-ai/Step3-VL-10B-Base

Image-Text-to-Text • 10B • Updated 7 days ago • 8.91k • 47

stepfun-ai/step3

Image-Text-to-Text • 321B • Updated 7 days ago • 42.2k • 166

stepfun-ai/Step-Audio-EditX-AWQ-4bit

0.9B • Updated 12 days ago • 54 • 2

stepfun-ai/Step-Audio-R1.1

Audio-Text-to-Text • Updated 21 days ago • 1.14k • 148

stepfun-ai/PaCoRe-8B

Text Generation • 8B • Updated 22 days ago • 229 • 44

stepfun-ai/RLVR-8B-0926

Text Generation • 8B • Updated 22 days ago • 1.58k • 8

stepfun-ai/Step1X-Edit-v1p2

Image-to-Image • Updated Dec 29, 2025 • 844 • • 56

stepfun-ai/NextStep-1.1-Pretrain

Text-to-Image • 15B • Updated Dec 24, 2025 • 40 • 6

stepfun-ai/NextStep-1.1

Text-to-Image • 15B • Updated Dec 23, 2025 • 319 • 22

stepfun-ai/GELab-Zero-4B-preview

Image-Text-to-Text • 4B • Updated Dec 19, 2025 • 4.26k • 146

stepfun-ai/Step-Audio-R1

Audio-Text-to-Text • Updated Dec 2, 2025 • 97 • 141

stepfun-ai/StepFun-Formalizer-32B

Text Generation • 33B • Updated Oct 13, 2025 • 79 • 10

stepfun-ai/StepFun-Formalizer-7B

Text Generation • 8B • Updated Oct 13, 2025 • 201 • 6

stepfun-ai/NextStep-1-Large-Pretrain

Text-to-Image • 15B • Updated Oct 10, 2025 • 106 • 18

stepfun-ai/Step-Audio-2-mini-Think

8B • Updated Sep 11, 2025 • 66 • 15

stepfun-ai/Step1X-Edit-v1p2-preview

Image-to-Image • Updated Sep 8, 2025 • 36 • 16

stepfun-ai/Step-Audio-2-mini

Any-to-Any • Updated Sep 5, 2025 • 1.04k • 247

stepfun-ai/Step-Audio-2-mini-Base

8B • Updated Sep 1, 2025 • 59 • 23

stepfun-ai/Step1X-Edit-v1p1-diffusers

Image-to-Image • Updated Sep 1, 2025 • 166 • 4

stepfun-ai/NextStep-1-Large-Edit

Image-to-Image • 15B • Updated Aug 19, 2025 • 50 • 50

stepfun-ai/NextStep-1-Large

Text-to-Image • 15B • Updated Aug 19, 2025 • 283 • 97

stepfun-ai/NextStep-1-f8ch16-Tokenizer

Updated Aug 14, 2025 • 28 • 15

stepfun-ai/StepFun-Prover-Preview-32B

Text Generation • 33B • Updated Aug 13, 2025 • 56 • 11

stepfun-ai/StepFun-Prover-Preview-7B

Text Generation • 8B • Updated Aug 13, 2025 • 56 • 3