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 8 hours ago

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

WinstonDeng updated a model about 8 hours ago

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

WinstonDeng updated a model about 8 hours ago

stepfun-ai/Step-3.5-Flash-FP8

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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 44

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

197B • Updated about 8 hours ago • 417 • 3

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

Text Generation • 197B • Updated about 8 hours ago • 12k • 128

stepfun-ai/Step-3.5-Flash-FP8

Text Generation • Updated about 8 hours ago • 18.1k • 44

stepfun-ai/Step-3.5-Flash

Text Generation • Updated about 8 hours ago • 268k • 594

stepfun-ai/Step-Audio-EditX

Updated 9 days ago • 10.1k • 111

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

Image-Text-to-Text • Updated 9 days ago • 1.36k • 8

stepfun-ai/Step3-VL-10B

Image-Text-to-Text • Updated 9 days ago • 93.7k • 394

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

Image-Text-to-Text • Updated 15 days ago • 8.98k • 48

stepfun-ai/step3

Image-Text-to-Text • 321B • Updated 15 days ago • 34.1k • 166

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

Updated 20 days ago • 67 • 2

stepfun-ai/Step-Audio-R1.1

Audio-Text-to-Text • Updated 29 days ago • 3.36k • 147

stepfun-ai/PaCoRe-8B

Text Generation • Updated about 1 month ago • 169 • 45

stepfun-ai/RLVR-8B-0926

Text Generation • 8B • Updated about 1 month ago • 1.83k • 8

stepfun-ai/Step1X-Edit-v1p2

Image-to-Image • Updated Dec 29, 2025 • 532 • • 56

stepfun-ai/NextStep-1.1-Pretrain

Text-to-Image • 15B • Updated Dec 24, 2025 • 23 • 6

stepfun-ai/NextStep-1.1

Text-to-Image • 15B • Updated Dec 23, 2025 • 181 • 23

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

Image-Text-to-Text • 4B • Updated Dec 19, 2025 • 5.33k • 149

stepfun-ai/Step-Audio-R1

Audio-Text-to-Text • Updated Dec 2, 2025 • 125 • 141

stepfun-ai/StepFun-Formalizer-32B

Text Generation • 33B • Updated Oct 13, 2025 • 55 • 10

stepfun-ai/StepFun-Formalizer-7B

Text Generation • 8B • Updated Oct 13, 2025 • 181 • 6

stepfun-ai/NextStep-1-Large-Pretrain

Text-to-Image • 15B • Updated Oct 10, 2025 • 61 • 18

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

Updated Sep 11, 2025 • 43 • 15

stepfun-ai/Step1X-Edit-v1p2-preview

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

stepfun-ai/Step-Audio-2-mini

Any-to-Any • Updated Sep 5, 2025 • 2.11k • 247

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

8B • Updated Sep 1, 2025 • 130 • 23

stepfun-ai/Step1X-Edit-v1p1-diffusers

Image-to-Image • Updated Sep 1, 2025 • 118 • 4

stepfun-ai/NextStep-1-Large-Edit

Image-to-Image • 15B • Updated Aug 19, 2025 • 67 • 50

stepfun-ai/NextStep-1-Large

Text-to-Image • 15B • Updated Aug 19, 2025 • 136 • 97

stepfun-ai/NextStep-1-f8ch16-Tokenizer

Updated Aug 14, 2025 • 20 • 15

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

Text Generation • 33B • Updated Aug 13, 2025 • 42 • 11