After already using claude pro and copilot pro, I also wanted to get Codex now. However, there is something that really bugged me when I wanted to buy. As a one-person company, I could only choose the private one, which has quite some disadvanteges in contrast to the business one: + data training (no I don't want that with my company stuff) + no office 365 integration (which I'd really want to have because then I can finally cancel copilot, which is overpriced for the little use it gives me...