StepFun · step-3.5

Model ProviderOpenAI compatible

Chinese AI startup founded by ex-Microsoft engineers, building the Step series of foundation, reasoning, vision, and audio models.

Active models
25+ 13 deprecated
Families
12
Headquarters🇨🇳 Shanghai, Shanghai
Founded2023
API Base URL
Modelsplatform.stepfun.com/docs/zh/guides/models/overview
Capabilities
Model
Step 3.5 Flash 2603OSSstep-3.5-flash-2603
Step 3.5 FlashOSSstep-3.5-flash