AI is happening. The future is updating.step3
📰 Step3 Model Blog | 📄 Step3 System Blog Step3 is our cutting-edge multimodal reasoning model—built on a Mixture-of-Experts architecture with 321B total parameters and 38B active. It is designed end-to-end to minimize decoding costs while delivering top-tier performance in vision–language reasoning. Through the co-design of Multi-Matrix Factorization Attention (MFA) and Attention-FFN Disaggregation (AFD), Step3 maintains exceptional efficiency across both flagship and low-end accelerators. > [!Note] > Step3's API is accessible at https://platform.stepfun.com/, where we offer OpenAI-compatible API for you.
📰 Step3 Model Blog | 📄 Step3 System Blog Step3 is our cutting-edge multimodal reasoning model—built on a Mixture-of-Experts architecture with 321B total parameters and 38B active. It is designed end-to-end to minimize decoding costs while delivering top-tier performance in vision–language reasoning. Through the co-design of Multi-Matrix Factorization Attention (MFA) and Attention-FFN Disaggregation (AFD), Step3 maintains exceptional efficiency across both flagship and low-end accelerators. > [!Note] > Step3's API is accessible at https://platform.stepfun.com/, where we offer OpenAI-compatible API for you.