GPT-5.5 thinking silently routed to 5.4 for 8 days
OpenAI Developer Community
May 6, 2026
Thanks for sharing the export details, that’s actually really helpful context. Since you’ve already got a ticket escalated, could you share your case ID ? I can take a look internally and see if there’s any update or additional signal on what’s happening here.
~Smith
Discussion in the ATmosphere