StepFun

company

https://www.stepfun.com/

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Recent Activity

Randomize new activity 25 days ago

stepfun-ai/Step-3.5-Flash-SFT:part of agentic data missing tool schema

xuanyangz authored a paper 25 days ago

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

Randomize new activity 29 days ago

stepfun-ai/Step-3.5-Flash-SFT:Chunk 41 unsafe

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Papers

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

WebVR: Benchmarking Multimodal LLMs for WebPage Recreation from Videos via Human-Aligned Visual Rubrics

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Collections 12

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spaces 11

Step-Audio-EditX

Try out Step-Audio-EditX

Step-3.5-Flash Chatbot

Run interactive Streamlit apps directly in your browser

Step3 VL 10B

Chat with a multimodal AI using text and images

Step Audio R1.1

Step-Audio-R1.1

Step-3

Interact with a multimodal AI assistant using text and images

NextStep 1 Large Edit

Modify images based on text prompts

models 47

stepfun-ai/Step-3.5-Flash

Text Generation • 199B • Updated Mar 17 • 221k • • 793

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

Text Generation • 198B • Updated Mar 9 • 181 • 40

stepfun-ai/Step-3.5-Flash-Base

Text Generation • 198B • Updated Mar 9 • 228 • 84

stepfun-ai/Step-3.5-Flash-FP8

Text Generation • 199B • Updated Mar 9 • 256k • 52

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

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

stepfun-ai/Step-Audio-R1.1

Audio-Text-to-Text • 33B • Updated Feb 14 • 368 • 173

stepfun-ai/Step-Audio-EditX

4B • Updated Feb 14 • 24.2k • 117

stepfun-ai/Step-Audio-2-mini

Any-to-Any • Updated Feb 14 • 2.12k • 254

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

197B • Updated Feb 13 • 43 • 3

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

Text Generation • 197B • Updated Feb 13 • 8.22k • 142

datasets 13

stepfun-ai/Step-3.5-Flash-SFT

Viewer • Updated Mar 14 • 1.62M • 25.9k • 325

stepfun-ai/GEBench

Updated Feb 25 • 351 • 11

stepfun-ai/NextStep-data

Preview • Updated Feb 16 • 182 • 6

stepfun-ai/CF-Div2-Stepfun

Viewer • Updated Feb 12 • 53 • 82 • 7

stepfun-ai/PaCoRe-Train-8k

Viewer • Updated Jan 14 • 7.52k • 953 • 80

stepfun-ai/AndroidDaily

Viewer • Updated Dec 19, 2025 • 235 • 134 • 15

stepfun-ai/StepFun-Formalizer-Training

Viewer • Updated Oct 13, 2025 • 188k • 144 • 5

stepfun-ai/StepEval-Audio-Paralinguistic

Viewer • Updated Aug 29, 2025 • 550 • 712 • 10

stepfun-ai/StepEval-Audio-Toolcall

Updated Aug 29, 2025 • 130 • 6

stepfun-ai/Step1X-3D-obj-data

Preview • Updated May 22, 2025 • 115 • 10

View 13 datasets