GPT-5.4 quietly changed something that matters more than any benchmark... ChatGPT's personality finally doesn't suck i know that sounds blunt but it's the first time in months where i can open ChatGPT and just talk to it without loading custom instructions to stop it from being cringe Claude never had that problem... you opened it, typed what you needed, and it responded like someone who understood the assignment that difference in feel is what drove tons of users to switch Opus 4.6 didn't…