Jean-Baptiste "JBQ" Quéru@jbqueru@floss.social
If PhD-level coding means submitting code that doesn't even compile, crashes once you get it to compile, doesn't do what you requested once you fix the crashes, and is very hard to read and even harder to scale and maintain, then, yes, GPT5 has reached PhD-level.
Me, I'm staying at the high school level, where I actually run my code, make sure that it works, and use my years of coding experience to make it ready for likely future evolutions.
(apologies to the real PhDs out there)