I jumped straight from 4o (free user) into GPT-5 (paid user).
It was a generational leap if there ever has been one. Much bigger than 3.5 to 4.
It was a generational leap if there ever has been one. Much bigger than 3.5 to 4.
But o3 existing and being good at what it does? Took the wind out of GPT-5's sails.