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Five minutes. What happened, and what to do about it. All stories from 16 September 2026

GPT-5.5 leaves ChatGPT and Codex on 14 October

Business Today· 16 Sep

OpenAI will remove GPT-5.5 from ChatGPT, ChatGPT Work and Codex on 14 October across all plans, less than six months after it launched in April. Users will need to move to newer models. API access continues.

Our read: If a saved workflow or custom GPT names GPT-5.5, check it before the date.

  • Search your saved prompts, custom GPTs and Codex settings for GPT-5.5.
  • Rerun your most important workflow on the replacement model before 14 October.
READ THE ORIGINAL: BUSINESSTODAY.IN

Source: Business Today. This is our short summary of their reporting. The paragraphs marked "Our read" and the things to do are SeedFoundry's opinion. The summary is drafted with AI tools. The picture is our own graphic. How we source and credit

That is wed 16 sep, all of it.

These are short summaries of other people's reporting, with our own commentary. Each story names its source and links to the original. How we source and credit