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ChatGPT Models

Technology & Infrastructure · Models & LLMs

OpenAI Retires GPT-4o and Older ChatGPT Models in Platform Update

OpenAI has begun removing access to several legacy ChatGPT models, including GPT-4o, as part of a broader platform transition toward newer artificial intelligence systems. The change also affects GPT-5, GPT-4.1, GPT-4.1 mini, and o4-mini,

14 Feb 2026 · 1 min read

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