StepFun

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company

https://www.stepfun.com/

StepFun_ai

stepfun-ai

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Recent Activity

jingwwu published a model about 1 hour ago

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

jingwwu published a dataset about 1 hour ago

stepfun-ai/NextStep-data

jingwwu updated a collection about 5 hours ago

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Papers

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

GEBench: Benchmarking Image Generation Models as GUI Environments

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stepfun-ai 's models 45

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

Text-to-Image • 15B • Updated about 6 hours ago • 2

stepfun-ai/Step-Audio-R1.1

Audio-Text-to-Text • 33B • Updated 2 days ago • 7.32k • 148

stepfun-ai/Step-Audio-EditX

4B • Updated 2 days ago • 10.9k • 112

stepfun-ai/Step-Audio-2-mini

Any-to-Any • 8B • Updated 2 days ago • 2.2k • 249

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

197B • Updated 3 days ago • 643 • 3

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

Text Generation • 197B • Updated 3 days ago • 14k • 129

stepfun-ai/Step-3.5-Flash-FP8

Text Generation • Updated 3 days ago • 19.9k • 45

stepfun-ai/Step-3.5-Flash

Text Generation • 199B • Updated 3 days ago • 286k • 613

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

Image-Text-to-Text • Updated 12 days ago • 1.45k • 8

stepfun-ai/Step3-VL-10B

Image-Text-to-Text • Updated 12 days ago • 93.2k • 396

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

Image-Text-to-Text • Updated 18 days ago • 8.95k • 48

stepfun-ai/step3

Image-Text-to-Text • 321B • Updated 18 days ago • 32.6k • 166

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

Updated 23 days ago • 69 • 2

stepfun-ai/PaCoRe-8B

Text Generation • Updated Jan 14 • 117 • 45

stepfun-ai/RLVR-8B-0926

Text Generation • 8B • Updated Jan 14 • 1.83k • 8

stepfun-ai/Step1X-Edit-v1p2

Image-to-Image • Updated Dec 29, 2025 • 470 • • 56

stepfun-ai/NextStep-1.1-Pretrain

Text-to-Image • 15B • Updated Dec 24, 2025 • 18 • 7

stepfun-ai/NextStep-1.1

Text-to-Image • 15B • Updated Dec 23, 2025 • 159 • 24

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

Image-Text-to-Text • 4B • Updated Dec 19, 2025 • 5.28k • 149

stepfun-ai/Step-Audio-R1

Audio-Text-to-Text • Updated Dec 2, 2025 • 112 • 141

stepfun-ai/StepFun-Formalizer-32B

Text Generation • 33B • Updated Oct 13, 2025 • 43 • 10

stepfun-ai/StepFun-Formalizer-7B

Text Generation • 8B • Updated Oct 13, 2025 • 172 • 6

stepfun-ai/NextStep-1-Large-Pretrain

Text-to-Image • 15B • Updated Oct 10, 2025 • 50 • 18

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

Updated Sep 11, 2025 • 42 • 16

stepfun-ai/Step1X-Edit-v1p2-preview

Image-to-Image • Updated Sep 8, 2025 • 33 • 16

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

8B • Updated Sep 1, 2025 • 151 • 24

stepfun-ai/Step1X-Edit-v1p1-diffusers

Image-to-Image • Updated Sep 1, 2025 • 97 • 4

stepfun-ai/NextStep-1-Large-Edit

Image-to-Image • 15B • Updated Aug 19, 2025 • 63 • 50

stepfun-ai/NextStep-1-Large

Text-to-Image • 15B • Updated Aug 19, 2025 • 121 • 97

stepfun-ai/NextStep-1-f8ch16-Tokenizer

Updated Aug 14, 2025 • 18 • 15