StepFun

company

https://www.stepfun.com/

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Recent Activity

frankzeng authored a paper 4 days ago

StyleMe3D: Stylization with Disentangled Priors by Multiple Encoders on 3D Gaussians

frankzeng authored a paper 4 days ago

OmniSVG: A Unified Scalable Vector Graphics Generation Model

frankzeng authored a paper 4 days ago

FAVOR-Bench: A Comprehensive Benchmark for Fine-Grained Video Motion Understanding

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Papers

Step-Audio-R1.5 Technical Report

GEditBench v2: A Human-Aligned Benchmark for General Image Editing

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stepfun-ai 's models 47

stepfun-ai/Step-3.5-Flash

Text Generation • 199B • Updated Mar 17 • 235k • • 794

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

Text Generation • 198B • Updated Mar 9 • 176 • 40

stepfun-ai/Step-3.5-Flash-Base

Text Generation • 198B • Updated Mar 9 • 232 • 84

stepfun-ai/Step-3.5-Flash-FP8

Text Generation • 199B • Updated Mar 9 • 182k • 52

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

Text-to-Image • 15B • Updated Feb 16 • 13 • 13

stepfun-ai/Step-Audio-R1.1

Audio-Text-to-Text • 33B • Updated Feb 14 • 369 • 175

stepfun-ai/Step-Audio-EditX

4B • Updated Feb 14 • 29.2k • 117

stepfun-ai/Step-Audio-2-mini

Any-to-Any • Updated Feb 14 • 3.02k • 254

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

197B • Updated Feb 13 • 53 • 3

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

Text Generation • 197B • Updated Feb 13 • 7.12k • 142

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

Image-Text-to-Text • Updated Feb 4 • 277 • 10

stepfun-ai/Step3-VL-10B

Image-Text-to-Text • 10B • Updated Feb 4 • 303k • 405

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

Image-Text-to-Text • Updated Jan 29 • 126 • 50

stepfun-ai/step3

Image-Text-to-Text • 321B • Updated Jan 29 • 195k • 166

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

Updated Jan 24 • 43 • 2

stepfun-ai/PaCoRe-8B

Text Generation • Updated Jan 14 • 272 • 46

stepfun-ai/RLVR-8B-0926

Text Generation • 8B • Updated Jan 14 • 123 • 8

stepfun-ai/Step1X-Edit-v1p2

Image-to-Image • Updated Dec 29, 2025 • 1.15k • • 60

stepfun-ai/NextStep-1.1-Pretrain

Text-to-Image • 15B • Updated Dec 24, 2025 • 7 • 7

stepfun-ai/NextStep-1.1

Text-to-Image • 15B • Updated Dec 23, 2025 • 10.9k • 27

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

Image-Text-to-Text • 4B • Updated Dec 19, 2025 • 5.11k • 151

stepfun-ai/Step-Audio-R1

Audio-Text-to-Text • Updated Dec 2, 2025 • 175 • 143

stepfun-ai/StepFun-Formalizer-32B

Text Generation • 33B • Updated Oct 13, 2025 • 142 • 10

stepfun-ai/StepFun-Formalizer-7B

Text Generation • 8B • Updated Oct 13, 2025 • 243 • 6

stepfun-ai/NextStep-1-Large-Pretrain

Text-to-Image • 15B • Updated Oct 10, 2025 • 19 • 18

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

Updated Sep 11, 2025 • 47 • 18

stepfun-ai/Step1X-Edit-v1p2-preview

Image-to-Image • Updated Sep 8, 2025 • 91 • 17

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

8B • Updated Sep 1, 2025 • 36 • 25

stepfun-ai/Step1X-Edit-v1p1-diffusers

Image-to-Image • Updated Sep 1, 2025 • 73 • 5

stepfun-ai/NextStep-1-Large-Edit

Image-to-Image • 15B • Updated Aug 19, 2025 • 30 • 50