StepFun
One of China's leading AI 'Six Tigers'.
Business
About
StepFun (阶跃星辰) is a Chinese AI startup founded in April 2023 that develops large-scale foundation models for text generation, multimodal understanding, and audio processing. The company released the Step-1 language model with hundreds of billions of parameters, the Step-1V multimodal model, and a preview of the Step-2 trillion-parameter MoE language model. Their latest open-source release, Step-3.5-Flash, is optimized for efficient local inference and agentic intelligence.
Model Families
Information
Founded2023
Shanghai, China