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OpenAI Blog · Jan 29, 2026

Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT

Reviewed by Errol Vogt, Site support technician & online learning analyst · original summary · editorial policy

Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT. On February 13, 2026, alongside the previously announced retirement⁠ of GPT‑5 (Instant, Thinking, and Pro), we will retire GPT‑4o, GPT‑4.1, GPT‑4.1 mini, and OpenAI o4-mini from ChatGPT. In the API, there are no changes at this time. This update is relevant for small-office operators tracking changes in their tools.

Operator takeaway: For operators: review whether 'Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT' affects your current setup before relying on it in production.

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Tools in this update

ChatGPT by OpenAI

ChatGPT is a general-purpose AI assistant for drafting emails, summarizing documents, and answering questions. Small offices use it for first-draft patient communications and routine writing, with human review before sending.

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