Web & Mobile App: Switching to GPT‑5.5 Pro redirects to GPT‑5.3 mini

Hi there, How do you know you’re getting routed to 5.3 and I’m assuming you have the ChatGPT Pro package at $100 or $200 per month? When I select 5.5 and Pro mode it seems to be working correctly for me in both mobile app and web, on andriod , iOS, MacOS and windows 11.