All Models

StepFun AI Models

Chinese AI lab building multimodal foundation models. Known for the Step model family, backed by Tencent.

Founded2023Shanghai, China6 ModelsWebsite →
StepFun logo

Step 3.7 Flash

StepFun

A powerful AI model for general-purpose tasks.

ContextN/A
Speed392 tok/s
InputN/A
OutputN/A
ReasoningNo
stepfun logo

Step 3.7 Flash

stepfun

Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model.

Context256K
Speed392 tok/s
InputText, Image, Video
OutputText
ReasoningYes
StepFun logo

Step 3.5 Flash 2603

StepFun

A powerful AI model for general-purpose tasks.

ContextN/A
Speed231 tok/s
InputN/A
OutputN/A
ReasoningNo
StepFun logo

Step 3.5 Flash

StepFun

A powerful AI model for general-purpose tasks.

ContextN/A
Speed220 tok/s
InputN/A
OutputN/A
ReasoningNo
stepfun logo

Step 3.5 Flash

stepfun

Step 3.5 Flash is StepFun's most capable open-source foundation model.

Context262K
Speed231 tok/s
InputText
OutputText
ReasoningYes
StepFun logo

Step3 VL 10B

StepFun

A powerful AI model for general-purpose tasks.

ContextN/A
SpeedN/A
InputN/A
OutputN/A
ReasoningNo