Why+How experience , perception, thinking?

How humanity and intelligence are different things,
while people may debate over why chatGPT4 with same complexity as humans ain’t human-like, but at the core, the states of information are processed from source to destination, the way intrinsically separates it, but why universe favors consciousness for one entity over another, is it just the structure of atoms and its place in the universe, or its more than that, beyond this existence, which is meant to be fixed, and being really part of another , a sub-system …

the question why we are sentient, and maybe atoms are also sentient, but why we feel the way we do, in this universe?