Confusingly, Pro is the free version. Ultra is the paid one. What some people have access to here is the next-ish generation of Pro, 1.5, which sports a huge co

Confusingly, Pro is the free version. Ultra is the paid one. What some people have access to here is the next-ish generation of Pro, 1.5, which sports a huge context window. I haven't heard anything about an Ultra 1.5 yet. (As a paying user of Ultra, I'm kind of bummed about not having access to this improved Pro...)