Smalltown Boy AI video: both characters look the same, how do I fix it?

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Short answer

Two subjects that look alike can get blended together by the model. Use two clearly different photos, such as a ginger cat and a grey cat, or two people in different clothes and settings, and never the same photo twice. If your free 5-second preview is still unused, test the pair with it first before you spend credits.

Example frame: a golden retriever clutching its head and screaming at the lens while an orange cat dances behind it in a backyard
Example frame: a golden retriever clutching its head and screaming at the lens while an orange cat dances behind it in a backyard

Common causes

  • The same photo in both boxes: the model has nothing to tell them apart.
  • Similar colours: two black cats on a dark sofa are hard to separate.
  • Two subjects in one photo: the model may copy the wrong one into both roles.
  • Very small subjects: far from the lens, both look like blobs.

What to try

  • Choose two different photos, each showing one subject.
  • Pick photos with different backgrounds.
  • Show each subject large in the frame, facing the camera.
  • If your free preview is still unused, check the pair with it before the full render.

Questions people ask

Can both roles use the same photo?

Better not. The two would look identical and the model may fuse them into one.

Does a merged look mean the video failed?

No. A failed video is one that never finished, and its credits return automatically. A finished video in which the characters look alike is a normal outcome.

Is it better to pick different breeds?

Yes. Clearly different colours and shapes make the two characters easy to tell apart.

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