StepFun

Team

company

https://www.stepfun.com/

StepFun_ai

stepfun-ai

AI & ML interests

None defined yet.

Recent Activity

reign12 new activity about 1 hour ago

stepfun-ai/PaCoRe-Train-8k:Restore model card

reign12 new activity about 2 hours ago

stepfun-ai/PaCoRe-Train-8k:Add metadata, paper/GitHub links and data structure

reign12 new activity about 2 hours ago

stepfun-ai/PaCoRe-8B:Add pipeline tag and links to paper/code

View all activity

Papers

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

Step-DeepResearch Technical Report

View all Papers

stepfun-ai 's models 35

stepfun-ai/PaCoRe-8B

Text Generation • 8B • Updated about 2 hours ago • 540 • 39

stepfun-ai/RLVR-8B-0926

Text Generation • 8B • Updated about 2 hours ago • 55 • 6

stepfun-ai/Step1X-Edit-v1p2

Image-to-Image • Updated 16 days ago • 618 • • 55

stepfun-ai/NextStep-1.1-Pretrain

Text-to-Image • 15B • Updated 21 days ago • 72 • 6

stepfun-ai/NextStep-1.1

Text-to-Image • 15B • Updated 22 days ago • 283 • 21

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

Image-Text-to-Text • 4B • Updated 26 days ago • 1.77k • 141

stepfun-ai/Step-Audio-R1

Audio-Text-to-Text • 33B • Updated Dec 2, 2025 • 637 • 137

stepfun-ai/Step-Audio-EditX

Text-to-Speech • 4B • Updated Nov 28, 2025 • 504 • 106

stepfun-ai/StepFun-Formalizer-32B

Text Generation • 33B • Updated Oct 13, 2025 • 187 • 8

stepfun-ai/StepFun-Formalizer-7B

Text Generation • 8B • Updated Oct 13, 2025 • 444 • 6

stepfun-ai/NextStep-1-Large-Pretrain

Text-to-Image • 15B • Updated Oct 10, 2025 • 1.39k • 18

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

8B • Updated Sep 11, 2025 • 69 • 15

stepfun-ai/Step1X-Edit-v1p2-preview

Image-to-Image • Updated Sep 8, 2025 • 68 • 16

stepfun-ai/Step-Audio-2-mini

Any-to-Any • 8B • Updated Sep 5, 2025 • 686 • 243

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

8B • Updated Sep 1, 2025 • 53 • 23

stepfun-ai/Step1X-Edit-v1p1-diffusers

Image-to-Image • Updated Sep 1, 2025 • 150 • 4

stepfun-ai/NextStep-1-Large-Edit

Image-to-Image • 15B • Updated Aug 19, 2025 • 62 • 50

stepfun-ai/NextStep-1-Large

Text-to-Image • 15B • Updated Aug 19, 2025 • 3.99k • 97

stepfun-ai/NextStep-1-f8ch16-Tokenizer

Updated Aug 14, 2025 • 29 • 15

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

Text Generation • 33B • Updated Aug 13, 2025 • 43 • 11

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

Text Generation • 8B • Updated Aug 13, 2025 • 53 • 3

stepfun-ai/step3-fp8

Image-Text-to-Text • Updated Aug 2, 2025 • 68 • 20

stepfun-ai/step3

Image-Text-to-Text • 321B • Updated Aug 2, 2025 • 58.7k • 164

stepfun-ai/Step1X-Edit

Image-to-Image • Updated Jul 9, 2025 • 84 • 327

stepfun-ai/Step-Audio-AQAA

137B • Updated Jun 12, 2025 • 45 • 47

stepfun-ai/Qwen2.5-32B-DialogueReason

33B • Updated May 15, 2025 • 44 • 12

stepfun-ai/Step1X-3D

Updated May 13, 2025 • 105

stepfun-ai/stepvideo-ti2v

Image-to-Video • Updated Mar 20, 2025 • 20 • 83

stepfun-ai/stepvideo-t2v

Text-to-Video • Updated Feb 19, 2025 • 54 • 471

stepfun-ai/Step-Audio-Tokenizer

Updated Feb 18, 2025 • 51