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AIQuiet 12d · day 12

OpenAI to retire GPT-5.5 from ChatGPT on October 14

ChatGPT and default Codex users will be moved to newer models, though API and API-key Codex access will continue.

newest coverage 12d agosummary written 11d ago2 pieces560 likes & upvotes35 comments XNewswires

What to know

  • GPT-5.5 is set to be discontinued on October 14, with ChatGPT and default Codex users moved to newer models.
  • OpenAI clarified that API Platform access and Codex sessions using an API key will keep working after the cutoff.
  • The change affects ChatGPT and default Codex usage more than developers building directly on the API.

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

OpenAI to retire GPT-5.5 from ChatGPT on October 14
x.com

How it unfolded 2 developments, newest first · click a bar or a number to jump articlesposts

Peak 1 piece in 3h at Sep 15, 12 PM; 2 pieces over 12 days (1 article · 1 post) Sep 15, 12 PM — 1 piece · 1 article — Newswires 1Sep 15, 3 PM — 1 piece · 1 post — X 1Sep 15, 6 PM — quietSep 15, 9 PM — quietSep 16, 12 AM — quietSep 16, 3 AM — quietSep 16, 6 AM — quietSep 16, 9 AM — quietSep 16, 12 PM — quietSep 16, 3 PM — quietSep 16, 6 PM — quietSep 16, 9 PM — quietSep 17, 12 AM — quietSep 17, 3 AM — quietSep 17, 6 AM — quietSep 17, 9 AM — quietSep 17, 12 PM — quietSep 17, 3 PM — quietSep 17, 6 PM — quietSep 17, 9 PM — quietSep 18, 12 AM — quietSep 18, 3 AM — quietSep 18, 6 AM — quietSep 18, 9 AM — quietSep 18, 12 PM — quietSep 18, 3 PM — quietSep 18, 6 PM — quietSep 18, 9 PM — quietSep 19, 12 AM — quietSep 19, 3 AM — quietSep 19, 6 AM — quietSep 19, 9 AM — quietSep 19, 12 PM — quietSep 19, 3 PM — quietSep 19, 6 PM — quietSep 19, 9 PM — quietSep 20, 12 AM — quietSep 20, 3 AM — quietSep 20, 6 AM — quietSep 20, 9 AM — quietSep 20, 12 PM — quietSep 20, 3 PM — quietSep 20, 6 PM — quietSep 20, 9 PM — quietSep 21, 12 AM — quietSep 21, 3 AM — quietSep 21, 6 AM — quietSep 21, 9 AM — quietSep 21, 12 PM — quietSep 21, 3 PM — quietSep 21, 6 PM — quietSep 21, 9 PM — quietSep 22, 12 AM — quietSep 22, 3 AM — quietSep 22, 6 AM — quietSep 22, 9 AM — quietSep 22, 12 PM — quietSep 22, 3 PM — quietSep 22, 6 PM — quietSep 22, 9 PM — quietSep 23, 12 AM — quietSep 23, 3 AM — quietSep 23, 6 AM — quietSep 23, 9 AM — quietSep 23, 12 PM — quietSep 23, 3 PM — quietSep 23, 6 PM — quietSep 23, 9 PM — quietSep 24, 12 AM — quietSep 24, 3 AM — quietSep 24, 6 AM — quietSep 24, 9 AM — quietSep 24, 12 PM — quietSep 24, 3 PM — quietSep 24, 6 PM — quietSep 24, 9 PM — quietSep 25, 12 AM — quietSep 25, 3 AM — quietSep 25, 6 AM — quietSep 25, 9 AM — quietSep 25, 12 PM — quietSep 25, 3 PM — quietSep 25, 6 PM — quietSep 25, 9 PM — quietYesterday, 12 AM — quietYesterday, 3 AM — quietYesterday, 6 AM — quietYesterday, 9 AM — quietYesterday, 12 PM — quietYesterday, 3 PM — quietYesterday, 6 PM — quietYesterday, 9 PM — quietToday, 12 AM — quietToday, 3 AM — quietToday, 6 AM — quietToday, 9 AM — quietToday, 12 PM — quietToday, 3 PM — quietToday, 6 PM — quietToday, 9 PM — quiet 1–2
Sep 16Sep 17Sep 18Sep 19Sep 20Sep 21Sep 22Sep 23Sep 24Sep 25yesterdaynow · 11:43 PM ET
  1. 2

    OpenAIDevs clarifies API and Codex access will persist

    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.

    “GPT-5.5 will remain available via the OpenAI API Platform and in Codex sessions authenticated with an API key:…”
    — @OpenAIDevs

    • GPT-5.5 will remain available via the OpenAI API Platform and in Codex sessions authenticated with an API key:

      @OpenAIDevsX12d ago560▲view on X ↗
  2. 1

    OpenAI sets October 14 discontinuation date for GPT-5.5

    Moneycontrol reports OpenAI will discontinue GPT-5.5 on October 14, with ChatGPT, API and Codex users to be moved to newer models.

    1. 1 outlet OpenAI to discontinue GPT-5.5 on October 14: ChatGPT, API and Codex users to move to newer models

      first by Moneycontrol, 12d ago