First, this cat, from that first beautiful shot, becomes, I think, way more alive than his predecessors, when he moves his head slightly, and when he slowly closes his eyes half way. This is such a cat expression, recognizable to anyone who has lived with one. When the cat is in your lap, it usually means contentment, but really, who TF knows what a cat is thinking. Also, for me, just the presence of the narrative voice makes the cat more alive as well.
And about the voice itself (just an impression which may or may not be good) but it seemed, to me, noticeably crisp. If it is figure to the music's ground, there was, for me, a sharp, maybe slightly odd, degree of contrast. Maybe experiment a little with making it a bit softer. Although this could be what you were going for, in establishing a particular narrative voice, and so, on second thought, it might be perfect as it is.
Or maybe, an idea, experiment the other way, maybe adding a hint of an accent, or making it a bit more, or even entirely, feminine. Just spitballing here; I know these decisions have been poured over and over, and I certainly trust your judgement. Whatever the voice is, we will become familiar with it, and will accept it as the voice of the labyrinth.
I get that its human is called Greg, and so, therefore, they are all Gregs. This is clever and I think works well. I'm not quite as sure, though, about calling the house the "box." I think the cat might be more connected to his environment, his home if he has lived here all his life, and may not objectify it in this way. Maybe "den" rather than box, or maybe nothing at all--it's just his world. But I could easily be wrong; it's probably cool as it is, and probably not very important.
Althogh. Same, a bit, with "invisible wall." I like the idea of seeing the world through the eyes of this other species, but probably only a couple of instances are enough. You wouldn't want him to call the floor the smooth ground, the ceiling the hard sky, or whatever. He knows what a wall is and so probably could know what a window is as well. Although, it's always surprised me a little that cats and dogs understand windows so well, even thought nothing like them really exists in nature. So invisible wall might be good after all, although maybe "clear wall" sounds a little less clunky.
A story point: The thing in the yard is the biggest plot point in this scene, but I kind of breezed past it on the first viewing. It took me a moment to understand that this was the "strange tree" that might have kidnapped Greg. So, (and again, just an idea) maybe highlight, a little bit in some way, its significance, maybe by lingering on it just a bit longer, or maybe doing one reaction shot: the thing, the cat, the thing again--maybe even the cat looking up, and then panning up on the thing, although that's probably too much. It would be too cliched to add some kind of otherworldly tinkling, or science fictiony buzzing, or something, in the soundtrack when we first see the thing. But maybe some subtle change in the music, when we first look at it, to help highlight its significance.
And a last point of slight confusion: not sure I understood the cat's last line: "there must be a hole somewhere in the box." Is he thinking there must be a hole in the box through which the thing got in, and then took his people? Or is he wondering how he is supposed to get out of the box to find them. Either way, unless this is important to the story, it might work just as well without it, and if it is important, maybe clarify what he means.
Anyway these are not criticisms, just spontaneous reactions, just ideas. I do like this one a lot; it seems, to me, a big step forward.
Ahhh, OK, so I did interpret it correctly at first. Upon re-watching, I assumed it was an "accent" issue, and that the world outside was being drained of colour by the strange new arrival ...
It occurred to me that this cat in this this context is possibly an example of the limitations of AI (completely outside of SavePoint). If an AI model is learning from images posted on various internet platforms, chances are those images will have been curated to an extent, and most likely to show a "cute kitty" face because that's what gets the biggest "awww ... sooooo cuuuuute" reaction. In reality, an awake, alert cat will more often show the less attractive "airplane ears", and not even as nicely symmetrical as in the reddit photos.
