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Custom GPTs

2 synchronized stories carry this tag.

Agents & toolsAnnounced

ChatGPT plans custom GPT retirement and plugin migration

OpenAI set the standard custom-GPT retirement date for 11 December 2026 and ended new GPT creation on 26 October for affected Enterprise workspaces. FedRAMP and approved deferrals move to 11 February 2027; existing unmigrated GPTs remain editable until their applicable retirement date.

Why it matters: The plan now has enforceable cutoffs: teams need a complete GPT inventory, an owner for each migration, tested plugin replacements and preserved access before GPT pages become inaccessible.

Read storyOriginal source · help.openai.com
ReliabilityRetired

ChatGPT retires GPT-4o and five other legacy model choices

OpenAI removed GPT-4o, GPT-4.1, GPT-4.1 mini, o4-mini, GPT-5 Instant, and GPT-5 Thinking from ChatGPT on 13 February. The change affects ChatGPT model selection and routing, while the corresponding API models remain available under their separate lifecycles.

Why it matters: Saved chats, custom GPTs, and model-sensitive instructions can behave differently when ChatGPT routes them to a current model.

Read storyOriginal source · openai.com