You drop an image, pick your models, hit generate. They all run in parallel. When each one finishes rendering, it gets a pixel-by-pixel match score against your original. You can compare them side by side or use the overlay diff mode to drag a curtain across and see exactly where each model diverged from your design. Tailwind or plain CSS. Still early! would love to know which models you'd want added and what kinds of designs break it the most.