What happened to chatpgt o1

Hello,
I was using chatpgt o1 but now is no longer there when I try to switch models, only chatgpt o1 pro mode is available… What happened?

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I would like to ask the same thing too. It was one of the MOST usable models in my PRO subscription (o1-pro takes too much time when tasks are simple).

What the hell did you do, OpenAI? I used hundreds of prompts for o1 in past two months and this is absurd! What you are gonna do, cancel o1-pro as well? Don’t you dare!

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Probably they are rolling out for new models, but they could not complete yet:

https://help.openai.com/en/articles/9793128-what-is-chatgpt-pro

https://x.com/openai/status/1912560062004179424?s=46

This is simply unacceptable. o1 was THE SINGLE reason why I was using ChatGPT. I don’t see any point in staying with ChatGPT anynmore…

These models are absolutely below performance of o1.