Four-Panel Ad Mockup Generator — Food, Fashion, Travel & SaaS

Create a stunning vertical split-screen ad mockup featuring four distinct, professional poster designs for different industries in one image. Use it as a Arte Conceptual starting point for GPT Image 2: keep the visual structure and style constraints intact, then swap in your own subject, brand, or scene.

This prompt is organized as structured JSON with fields such as type, layout, and panels. Keeping that hierarchy helps the model separate the subject, layout, interface elements, and detail constraints.

Start with small changes to subject, scene, camera, and color, then generate a few variations to compare composition and detail without turning the page copy into keyword stuffing.