Singing Pet AI video: why is the mouth not moving?
Updated:
Short answer
A closed or hidden mouth in the photo makes the model shy about opening it. Use a photo where the muzzle and mouth are clearly visible, ideally from the front, and check the free preview before you make the full video.

Common causes
- Side view: the model cannot see the mouth.
- Face covered: a toy, a hand or long fur over the muzzle.
- Very small face: the pet is far away in the photo.
Quick fix
- Pick a front-facing photo.
- Run the free preview first.
- Keep the photo bright and sharp.
Questions people ask
Is it a failed video?
No. A failed video is one that did not finish, and those return the credit automatically.
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