Consistent AI Image Editing Needs Heavy Hand-Written Constraints, Not Casual Prompting
eyishazyer · x · 2026-09-15
The author stress-tested object-level consistency with three constrained edits of the same product poster:
- The third build was a single instruction — change the NOVA can from matte black to bright metallic red, touching nothing else. Face, pose, jacket, wet pavement, skyline, and headline copy all stayed exactly in place; only the can's color shifted.
Key takeaways: one good image proves nothing anymore; what matters is the output behaving like one asset revised across steps, not three unrelated generations. This level of consistency isn't a one-line prompt result — every build carried heavy, specific constraints spelled out by hand. The model is only as consistent as the instructions you're willing to write.
Related event: Image Editing Consistency Requires Handwritten Constraints, Test Shows(3 posts)→
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