O5-pro is available through the ChatGPT UI with a “Pro” plan. I understand that ... | Hacker News

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		yzydserd 3 months ago \| parent \| context \| favorite \| on: From GPT-4 to GPT-5: Measuring progress through Me... O5-pro is available through the ChatGPT UI with a “Pro” plan. I understand that like o3 pro it is a high compute large context invocation of underlying models.

rbinv 3 months ago [–]

Thanks, I was not aware! I thought they offered all their models via their API.

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