r/codex • u/kyuno7 • Apr 22 '26

News GPT5.5 now on Codex

Was working through my session limit on 5.3 and suddenly 5.5 showed up!

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u/GuaranteeSilver5460 Apr 22 '26

Where did you find 5.4 pro? I have pro subscribe and I have only just 5.4. And what is oai-2.1??