o3 is available for certain paid plans. I see it in my legacy model dropdown and had to use it last night because 5-Pro chews on an Excel for 20 minutes and the

o3 is available for certain paid plans. I see it in my legacy model dropdown and had to use it last night because 5-Pro chews on an Excel for 20 minutes and then never finishes but also never times out. Womp womp. Frustrating.