They’ll likely come out with a 5.4-Codex at some point, that’s what they did with 5 and 5.2
Re:GPT-5.4
by simianwords on Thursday March 05, 2026 @01:47PM
(#47265568)
Yes so I’m even more confused. Why would I use codex?
Presumably you don’t anymore if you have 5.4.
in 5.4 it looks like the just collapsed that capability into the single frontier family model