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Step Ladder


Step Ladder is StepFun's image generation model. A StepFun image editing model offering iterative, step-based image refinement and modification capabilities.
Specifications
Canonical IDstep-ladder
TypeImage Generation
StatusActive
CreatorStepFunStepFun
Input ModalitiesText
Output ModalitiesImage
Benchmarks
Elo Rating
953
#258

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Model IDs