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Papers
StepX-OPD: Rethinking Multi-Teacher On-Policy Distillation in Diffusion Models
P^2-MOPD: Accelerating Multi-Teacher On-Policy Distillation via Parameter Priors
step 3.5 models
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Step-3.5-Flash Chatbot
🚀50Launch an interactive Streamlit web application
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stepfun-ai/Step-3.5-Flash
Text Generation • 199B • Updated • 178k • • 847 -
stepfun-ai/Step-3.5-Flash-FP8
Text Generation • 199B • Updated • 768 • 53 -
stepfun-ai/Step-3.5-Flash-GGUF-Q4_K_S
Text Generation • 197B • Updated • 1.01k • 147
Step-Audio-R1 is the first audio language model to successfully unlock test-time compute scaling.
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stepfun-ai/Step-3.7-Flash
Image-Text-to-Text • 201B • Updated • 10.3k • • 463 -
stepfun-ai/Step-3.7-Flash-FP8
Image-Text-to-Text • 201B • Updated • 3.07k • 21 -
stepfun-ai/Step-3.7-Flash-NVFP4
Image-Text-to-Text • 104B • Updated • 2.31k • 67 -
stepfun-ai/Step-3.7-Flash-GGUF
Image-Text-to-Text • 197B • Updated • 5.91k • 177
Learning to Scale Test-Time Compute with Parallel Coordinated Reasoning
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stepfun-ai/PaCoRe-8B
Text Generation • 8B • Updated • 1.77k • 49 -
stepfun-ai/PaCoRe-Train-8k
Viewer • Updated • 7.52k • 988 • 81 -
stepfun-ai/RLVR-8B-0926
Text Generation • 8B • Updated • 391 • 9 -
PaCoRe: Learning to Scale Test-Time Compute with Parallel Coordinated Reasoning
Paper • 2601.05593 • Published • 90
Step-Audio-EditX
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stepfun-ai/StepFun-Formalizer-7B
Text Generation • 8B • Updated • 1.64k • • 7 -
stepfun-ai/StepFun-Formalizer-32B
Text Generation • 33B • Updated • 331 • 12 -
StepFun-Formalizer: Unlocking the Autoformalization Potential of LLMs through Knowledge-Reasoning Fusion
Paper • 2508.04440 • Published • 10 -
stepfun-ai/StepFun-Formalizer-Training
Viewer • Updated • 188k • 186 • 6
Step-Audio model family, including Audio-Tokenizer, Audio-Chat and TTS
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stepfun-ai/Step-3.7-Flash
Image-Text-to-Text • 201B • Updated • 10.3k • • 463 -
stepfun-ai/Step-3.7-Flash-FP8
Image-Text-to-Text • 201B • Updated • 3.07k • 21 -
stepfun-ai/Step-3.7-Flash-NVFP4
Image-Text-to-Text • 104B • Updated • 2.31k • 67 -
stepfun-ai/Step-3.7-Flash-GGUF
Image-Text-to-Text • 197B • Updated • 5.91k • 177
step 3.5 models
-
Step-3.5-Flash Chatbot
🚀50Launch an interactive Streamlit web application
-
stepfun-ai/Step-3.5-Flash
Text Generation • 199B • Updated • 178k • • 847 -
stepfun-ai/Step-3.5-Flash-FP8
Text Generation • 199B • Updated • 768 • 53 -
stepfun-ai/Step-3.5-Flash-GGUF-Q4_K_S
Text Generation • 197B • Updated • 1.01k • 147
Learning to Scale Test-Time Compute with Parallel Coordinated Reasoning
-
stepfun-ai/PaCoRe-8B
Text Generation • 8B • Updated • 1.77k • 49 -
stepfun-ai/PaCoRe-Train-8k
Viewer • Updated • 7.52k • 988 • 81 -
stepfun-ai/RLVR-8B-0926
Text Generation • 8B • Updated • 391 • 9 -
PaCoRe: Learning to Scale Test-Time Compute with Parallel Coordinated Reasoning
Paper • 2601.05593 • Published • 90
Step-Audio-R1 is the first audio language model to successfully unlock test-time compute scaling.
Step-Audio-EditX
-
stepfun-ai/StepFun-Formalizer-7B
Text Generation • 8B • Updated • 1.64k • • 7 -
stepfun-ai/StepFun-Formalizer-32B
Text Generation • 33B • Updated • 331 • 12 -
StepFun-Formalizer: Unlocking the Autoformalization Potential of LLMs through Knowledge-Reasoning Fusion
Paper • 2508.04440 • Published • 10 -
stepfun-ai/StepFun-Formalizer-Training
Viewer • Updated • 188k • 186 • 6
Step-Audio model family, including Audio-Tokenizer, Audio-Chat and TTS