Perhaps, but using AI software isn't necessarily a disqualifier, and that makes it difficult to definitive say, that's AI.  The rule is:

A.I. Art created by a seed image or keyword input is not permitted. However, post-processing of an image created entirely by the artist for color correction, tone, saturation, and adding effects using A.I. software is permitted. You must be able to state that you own the image and that no part of the image can conflict with any copyright laws. A detailed workflow must be entered in the description box. Please be prepared to send the managers your original image upon request.

And I did on several occasions ask to see the original image. So, we did our best to keep the contest on the level.

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Wolfenshire, Moderator/Community Leader