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Public proof receipt / delayed sample

OpenAI Codex P0 · LAUNCH

GPT-5.5 will retire from ChatGPT, ChatGPT Work, and Codex on all plans on October 14, 2026, excluding the OpenAI API.

See the relevant before and after, when the change was found, and the official page behind it.

BEFORE CAPTURE
#39023 Reduce retained MCP result data in TUI history @copyberry
AFTER CAPTURE
2026-09-14 GPT-5.5 retires from ChatGPT, ChatGPT Work, and Codex on October 14 On October 14, 2026, GPT-5.5 will retire from ChatGPT, ChatGPT Work, and Codex on all plans, including consumer, Business, Enterprise, and Edu plans. This retirement does not apply to the OpenAI API. For Codex with ChatGPT sign-in, switch from gpt-5.5 to gpt-5.6-sol (GPT-5.6 Sol) before the retirement date. Update workspace defaults, saved…

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The before-and-after text above shows what was present on the official page at each capture. This summary explains the reviewed change.

VERIFIED CHANGE

GPT-5.5 will retire from ChatGPT, ChatGPT Work, and Codex on all plans on October 14, 2026, excluding the OpenAI API.

GPT-5.5 will retire from ChatGPT, ChatGPT Work, and Codex on all plans on October 14, 2026, excluding the OpenAI API. Users of Codex with ChatGPT sign-in must switch from gpt-5.5 to gpt-5.6-sol before the retirement date.

Before captured
Sep 15, 2026, 4:12 AM PDT
After captured
Sep 15, 2026, 3:43 PM PDT
Reviewed
Sep 16, 2026, 3:05 PM PDT
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