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Below are 4 images.
Only one is real. I know this because I took it myself.
My photo is of the Clark Bridge near Alton, IL on a chilly winter evening.
The other 3 images are AI-generated. I created them using Ideogram.ai and ChatGPT.
Which one do you think is the real image? See the answer below!
The real image of the bridge is:
Image #3
Some clues that give away the AI images:
💡 1. Lighting and Bridge Illumination
- #3 (REAL): The bridge is lit by streetlights that cast natural reflections in the water. The lights aren’t perfectly spaced or overly symmetrical. The glow slightly disperses through the mist — very hard for AI to replicate convincingly.
- #1, #2, and #4: The bridges are not lit — or the lighting is unnaturally smooth or clean. #2 especially has glowing cables that look fake and overly saturated.
🌁 2. Atmosphere and Haze
- #3: The moisture or fog in the air adds a realistic softness and desaturation to the background. There’s slight noise and grain in the image — signs of a real low-light exposure.
- AI Giveaways:
- #1, #2, and #4 all have unnaturally clean skies or repeated cloud patterns. #2’s dramatic sky and reflections look too perfect, like a dream sequence.
🌊 3. Water Behavior and Reflections
- #3: The reflections of the lights shimmer unevenly in the water, bending slightly due to ripples. You can see irregularities in the surface that real long-exposure shots produce.
- AI:
- #1, #2, and #4 all have water that is too glassy — the reflections are mirror-smooth, which is a common AI artifact.
🌲 4. Foreground Object (Log or Branch)
- #3: The branch is partially submerged, casting multiple shadows and distortions, and its ends disappear slightly into the mist. It also looks realistically tangled and rough.
- AI:
- #1 and #4’s logs are extremely clean, dry, and appear “posed.”
- #2’s foreground log is too straight and shadowless — like it was placed there by a design bot.
More From the Senior Tech Cafe ‘Real or AI?’ Challenge
You can check out our archive of ‘Real or AI?’ challenges here
