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Step Image Edit 2

By StepFun
Step Image Edit 2 is an image model for quick visual creation and modification from natural-language prompts. StepFun documents it as a unified text-to-image and image-editing model with lightweight generation/editing behavior, under 6B parameters, a 512-character prompt limit, and image-editing support for inputs up to 4096x4096. The API supports both image generation and image edits, with editing outputs returned at the same size as the input image.
New Multimodal Gen 3
Released: April 29, 2026

Overview

Step Image Edit 2 is StepFun’s lightweight unified image generation and editing model. It supports both text-to-image and image editing through API endpoints, runs with under 6B parameters, and is designed for fast 1 to 2 second responses in generation and editing workflows.

About StepFun

StepFun AI is a creative AI assistant platform that offers chat, search, coding help, and multimodal generation (images, audio, video), plus research models like Step3 and NextStep-1.

Company Size: 400
Location: Shanghai, Xuhui District, CN
Website: stepfun.ai
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Tools using Step Image Edit 2

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Last updated: May 13, 2026
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