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by ValentineC 2 days ago
GPT 5.5 Pro is only in chat/API, not Codex.
1 comments
Supermancho 2 days ago
From https://openai.com/index/introducing-gpt-5-5/

In Codex, GPT‑5.5 is available for Plus, Pro, Business, Enterprise, Edu, and Go plans with a 400K context window.

link
artdigital 2 days ago
He’s talking about “gpt-5.5-pro”. This model is not part of the subscription plans in codex. It’s a different model than gpt-5.5-xhigh

You can use Pro on the web if you’re on the Pro plan but not in Codex

link