Earlier quoted context omitted.
I find that more experienced devs are more likely to prefer Codex… anecdotal but… it’s a thing.
This is because no one bothers to set thinking to high, as it now defaults to medium in CC. Once you set thinking to high it works just as well as 5.4 even for pretty complex tasks
Meanwhile, there are half a dozen other projects (business apps, web apps etc) where it works well.