Bikini photos are the classic undress input.

Why swimwear behaves well as input

The AI has to guess a body it can't see — and how much it has to guess depends on how much the garment reveals. Bikinis and fitted one-pieces trace the body's outline closely, so the silhouette the model works from is clearer than it would be under loose layers.

• Fitted garments map the torso and hip line with little guesswork.
• Simple poses — standing, facing the camera or at a three-quarter angle — leave the figure readable.
• Arms crossed over the body, props or other people overlapping the subject hide information the AI then has to invent.
• Heavy cover-ups, sarongs or loose beachwear layered over swimwear weaken that advantage.

Output still varies

A favorable input raises the odds, it doesn't guarantee a result. The generated nude is a fabrication — the AI's plausible reconstruction — and its quality shifts with pose, framing and plain run-to-run variance.

If the first pass looks off, regenerate or try a different photo from the same set. Small differences between shots can move the output noticeably.

Permission applies at the beach too

A vacation photo of someone else is still a photo of someone else. Only upload swimwear photos you own or where the subject — who must be 18 or older — has explicitly agreed to this kind of edit.

AI-generated intimate imagery of real people without consent is restricted or outright illegal in a growing number of places. When in doubt, don't upload it.