StepFun

Team

company

https://www.stepfun.com/

StepFun_ai

stepfun-ai

AI & ML interests

None defined yet.

Recent Activity

WinstonDeng new activity about 8 hours ago

stepfun-ai/Step-3.5-Flash-FP8:Adding `transformers` as the library name

WinstonDeng new activity about 8 hours ago

stepfun-ai/Step-3.5-Flash-Int4:Adding `transformers` as the library name

reign12 new activity about 8 hours ago

stepfun-ai/Step-3.5-Flash:Adding `transformers` as the library name.

View all activity

Papers

STEP3-VL-10B Technical Report

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

View all Papers

stepfun-ai 's models 42

stepfun-ai/Step-3.5-Flash-FP8

Text Generation • Updated about 8 hours ago • 2.61k • 36

stepfun-ai/Step-3.5-Flash-Int4

Updated about 8 hours ago • 76

stepfun-ai/Step-3.5-Flash

Text Generation • 199B • Updated about 8 hours ago • 1.83k • 371

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

Image-Text-to-Text • 10B • Updated 5 days ago • 8.9k • 46

stepfun-ai/Step3-VL-10B

Image-Text-to-Text • 10B • Updated 5 days ago • 69.6k • 377

stepfun-ai/step3

Image-Text-to-Text • 321B • Updated 5 days ago • 41.7k • 166

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

0.9B • Updated 11 days ago • 54 • 2

stepfun-ai/Step-Audio-EditX

4B • Updated 11 days ago • 6.12k • 108

stepfun-ai/Step-Audio-R1.1

Audio-Text-to-Text • 33B • Updated 19 days ago • 1.13k • 147

stepfun-ai/PaCoRe-8B

Text Generation • 8B • Updated 20 days ago • 232 • 44

stepfun-ai/RLVR-8B-0926

Text Generation • 8B • Updated 20 days ago • 1.35k • 8

stepfun-ai/Step1X-Edit-v1p2

Image-to-Image • Updated Dec 29, 2025 • 854 • • 56

stepfun-ai/NextStep-1.1-Pretrain

Text-to-Image • 15B • Updated Dec 24, 2025 • 41 • 6

stepfun-ai/NextStep-1.1

Text-to-Image • 15B • Updated Dec 23, 2025 • 318 • 22

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

Image-Text-to-Text • 4B • Updated Dec 19, 2025 • 4.27k • 146

stepfun-ai/Step-Audio-R1

Audio-Text-to-Text • 33B • Updated Dec 2, 2025 • 97 • 141

stepfun-ai/StepFun-Formalizer-32B

Text Generation • 33B • Updated Oct 13, 2025 • 83 • 10

stepfun-ai/StepFun-Formalizer-7B

Text Generation • 8B • Updated Oct 13, 2025 • 200 • 6

stepfun-ai/NextStep-1-Large-Pretrain

Text-to-Image • 15B • Updated Oct 10, 2025 • 110 • 18

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

8B • Updated Sep 11, 2025 • 71 • 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 • 8B • Updated Sep 5, 2025 • 981 • 247

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

8B • Updated Sep 1, 2025 • 61 • 23

stepfun-ai/Step1X-Edit-v1p1-diffusers

Image-to-Image • Updated Sep 1, 2025 • 164 • 4

stepfun-ai/NextStep-1-Large-Edit

Image-to-Image • 15B • Updated Aug 19, 2025 • 52 • 50

stepfun-ai/NextStep-1-Large

Text-to-Image • 15B • Updated Aug 19, 2025 • 285 • 97

stepfun-ai/NextStep-1-f8ch16-Tokenizer

Updated Aug 14, 2025 • 30 • 15

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

Text Generation • 33B • Updated Aug 13, 2025 • 58 • 11

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

Text Generation • 8B • Updated Aug 13, 2025 • 59 • 3

stepfun-ai/step3-fp8

Image-Text-to-Text • Updated Aug 2, 2025 • 99 • 20