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OpenAI to retire GPT-5.5 from ChatGPT on October 14

OpenAIDevs clarifies API and Codex access will persist

2 Sep 15 4:11 PM · 12d ago · 1 post · 1 source · development 2 of 2

OpenAI's developer account posted that GPT-5.5 will remain available via the OpenAI API Platform and in Codex sessions authenticated with an API key, narrowing the practical impact of the discontinuation.

OpenAIDevs clarifies API and Codex access will persist
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“GPT-5.5 will remain available via the OpenAI API Platform and in Codex sessions authenticated with an API key:”

@OpenAIDevs

OpenAI Developer of GPT-5.5 and ChatGPTOpenAIDevs OpenAI's official developer communications account

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Sep 16Sep 17Sep 18Sep 19Sep 20Sep 21Sep 22Sep 23Sep 24Sep 25yesterdaynow · 11:45 PM ET

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