How to Tell If a Photo Is AI Generated
In 2026, AI image generators can create photorealistic human faces that fool most people on first glance. Models like Midjourney V7, DALL-E 4, and Stable Diffusion XL produce faces indistinguishable from real photos to the untrained eye. But they're not perfect, and knowing what to look for can save you from a fake profile.
Why AI photos are used in fake profiles
AI-generated photos have a critical advantage over stolen real photos: they won't appear in reverse image searches. A catfish using a stolen photo risks being caught the moment someone runs a Google Lens search. An AI-generated face, on the other hand, is a brand new image that has never appeared anywhere online. It also lets scammers create exactly the type of person most likely to attract their target.
What to look for: 8 common AI artifacts
Eyes that are too smooth or too symmetrical
Real eyes have tiny imperfections: slight asymmetry, visible blood vessels, reflections that match the environment. AI-generated eyes often have an unusual glassiness or hyper-symmetry. The reflections in both eyes may be identical, which never happens in natural lighting.
Hands with wrong fingers
Hands are notoriously difficult for AI to generate correctly. Look for fingers that are too long, too short, fused together, or the wrong number entirely. If the photo shows hands at all, inspect them closely. This has improved significantly but is still a weak point for most models.
Ears that don't match
AI often generates asymmetrical ears, where one ear may be partially occluded, oddly shaped, or positioned at a different height than the other. Hair frequently merges unnaturally with the ear area, creating a blurring effect that doesn't appear in real photos.
Hair that blends into the background
AI struggles with hair, especially at the edges. Fine hairs at the boundary between subject and background often merge or blur in an unnatural way. Look at the transition between hair and background. It should have visible individual strands in a real photo.
Teeth that look too perfect or too blurry
AI-generated teeth are often unrealistically perfect or, conversely, oddly blurry when examined up close. The number of visible teeth may also be wrong. Zoom in on the mouth area. Real teeth have texture, slight imperfections, and individual shadows between teeth.
Background with garbled text or floating objects
AI models consistently struggle with text in backgrounds. Signs, labels, and writing appear scrambled or nonsensical. Background objects may also be anatomically impossible: a chair leg floating in midair, a window at the wrong angle. These artifacts are easier to spot when you look past the face.
Lighting that doesn't match between face and background
In a real photo, the light source illuminates both the subject and the environment consistently. In AI-generated images, the face is often lit from a slightly different direction than the background, or shadows fall in the wrong place relative to the light source.
Jewellery and accessories that disappear
Necklaces may fade out mid-chain. Earrings are often asymmetrical or one is missing. Glasses may have frames that aren't quite straight or lenses that show no reflection. These small inconsistencies are easy to overlook on a quick glance but visible on closer inspection.
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Why manual inspection isn't enough
The latest AI models have dramatically reduced visible artifacts. A carefully chosen AI-generated photo, cropped to show just the face, may have none of the above flaws, at least not visible to the naked eye. Modern AI detectors work at the pixel level, analysing statistical patterns that are invisible to humans but consistently present in AI-generated images.
CatfishTracker's AI forensics engine uses this approach: it analyses the photo at a pixel level, not just visually, returning a confidence score for AI generation alongside checks for deepfakes, beauty filters, and facial manipulation.
Don't rely on a single check. Use manual inspection alongside an AI detection tool for the most reliable result. No tool is 100% accurate. If other red flags are present, trust your instincts.
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