Step-Audio 2 Step-Audio 2 Technical Report Paper • 2507.16632 • Published Jul 22 • 69 stepfun-ai/Step-Audio-2-mini Any-to-Any • 8B • Updated 5 days ago • 3.14k • 219 stepfun-ai/Step-Audio-2-mini-Base 8B • Updated 9 days ago • 100 • 18
NextStep-1 stepfun-ai/NextStep-1-f8ch16-Tokenizer Updated 27 days ago • 292 • 14 stepfun-ai/NextStep-1-Large Text-to-Image • 15B • Updated 22 days ago • 4.11k • 92 stepfun-ai/NextStep-1-Large-Edit Image-to-Image • 15B • Updated 22 days ago • 744 • 47 stepfun-ai/NextStep-1-Large-Pretrain Text-to-Image • 15B • Updated 22 days ago • 1.51k • 15
Step3 stepfun-ai/step3-fp8 Image-Text-to-Text • Updated Aug 2 • 1.69k • 20 stepfun-ai/step3 Image-Text-to-Text • 321B • Updated Aug 2 • 40.2k • 153
StepFun-Formalizer stepfun-ai/StepFun-Formalizer-7B Text Generation • 8B • Updated 22 days ago • 211 • 3 stepfun-ai/StepFun-Formalizer-32B Text Generation • 33B • Updated 21 days ago • 125 • 5 StepFun-Formalizer: Unlocking the Autoformalization Potential of LLMs through Knowledge-Reasoning Fusion Paper • 2508.04440 • Published Aug 6 • 9
StepFun-Formalizer: Unlocking the Autoformalization Potential of LLMs through Knowledge-Reasoning Fusion Paper • 2508.04440 • Published Aug 6 • 9
StepFun-Prover Preview stepfun-ai/StepFun-Prover-Preview-32B Text Generation • 33B • Updated 28 days ago • 271 • 11 stepfun-ai/StepFun-Prover-Preview-7B Text Generation • 8B • Updated 28 days ago • 472 • 3
Step-Audio Step-Audio model family, including Audio-Tokenizer, Audio-Chat and TTS stepfun-ai/Step-Audio-Tokenizer Updated Feb 18 • 40 stepfun-ai/Step-Audio-Chat Audio-Text-to-Text • 132B • Updated Feb 17 • 71 • 456 stepfun-ai/Step-Audio-TTS-3B Text-to-Speech • 4B • Updated Feb 17 • 123 • 190 stepfun-ai/Step-Audio-AQAA 137B • Updated Jun 12 • 35 • 45
Step-Audio 2 Step-Audio 2 Technical Report Paper • 2507.16632 • Published Jul 22 • 69 stepfun-ai/Step-Audio-2-mini Any-to-Any • 8B • Updated 5 days ago • 3.14k • 219 stepfun-ai/Step-Audio-2-mini-Base 8B • Updated 9 days ago • 100 • 18
StepFun-Formalizer stepfun-ai/StepFun-Formalizer-7B Text Generation • 8B • Updated 22 days ago • 211 • 3 stepfun-ai/StepFun-Formalizer-32B Text Generation • 33B • Updated 21 days ago • 125 • 5 StepFun-Formalizer: Unlocking the Autoformalization Potential of LLMs through Knowledge-Reasoning Fusion Paper • 2508.04440 • Published Aug 6 • 9
StepFun-Formalizer: Unlocking the Autoformalization Potential of LLMs through Knowledge-Reasoning Fusion Paper • 2508.04440 • Published Aug 6 • 9
NextStep-1 stepfun-ai/NextStep-1-f8ch16-Tokenizer Updated 27 days ago • 292 • 14 stepfun-ai/NextStep-1-Large Text-to-Image • 15B • Updated 22 days ago • 4.11k • 92 stepfun-ai/NextStep-1-Large-Edit Image-to-Image • 15B • Updated 22 days ago • 744 • 47 stepfun-ai/NextStep-1-Large-Pretrain Text-to-Image • 15B • Updated 22 days ago • 1.51k • 15
StepFun-Prover Preview stepfun-ai/StepFun-Prover-Preview-32B Text Generation • 33B • Updated 28 days ago • 271 • 11 stepfun-ai/StepFun-Prover-Preview-7B Text Generation • 8B • Updated 28 days ago • 472 • 3
Step3 stepfun-ai/step3-fp8 Image-Text-to-Text • Updated Aug 2 • 1.69k • 20 stepfun-ai/step3 Image-Text-to-Text • 321B • Updated Aug 2 • 40.2k • 153
Step-Audio Step-Audio model family, including Audio-Tokenizer, Audio-Chat and TTS stepfun-ai/Step-Audio-Tokenizer Updated Feb 18 • 40 stepfun-ai/Step-Audio-Chat Audio-Text-to-Text • 132B • Updated Feb 17 • 71 • 456 stepfun-ai/Step-Audio-TTS-3B Text-to-Speech • 4B • Updated Feb 17 • 123 • 190 stepfun-ai/Step-Audio-AQAA 137B • Updated Jun 12 • 35 • 45
