Step 1X Edit 1.2 is StepFun's image generation model. An updated version of StepFun's instruction-based image editing model, offering improved text-guided image manipulation capabilities.
Specifications
Canonical IDstep-1x-edit-1-2
TypeImage Generation
StatusActive
CreatorStepFunStepFun
Input ModalitiesText
Output ModalitiesImage

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·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Step 3.7 Flash256K$0.200$1.15Available
Step 3 VL 10BAvailable
Step 1X Edit 1.2Current
Step 1X EditAvailable

Model IDs

step-1x-edit-1-2
step1x-edit-v1p2