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Stepfun Ai Gelab Zero 4b Preview

Tool CallingAttachments

StepFun flash model for efficient multimodal reasoning, coding, and tool use

Providers1
ReleasedDec 23, 2025
Input Modalitiestext, image
Output Modalitiestext
Tarsk Usecoding

Available Providers (1)

ProviderModel IDInput CostOutput CostContextMax OutputDocs
Qiniustepfun-ai/gelab-zero-4b-preview—/MTok—/MTok8.2K4.1K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output