OpenAI is retiring several older models, including GPT-4o, GPT-4.1, and GPT-4.1 mini, from ChatGPT on February 13, 2026. This decision comes as the vast majority of users have transitioned to newer models like GPT-5.2, with GPT-4o usage dropping to 0.1%. The company stated that feedback on GPT-4o's conversational style and warmth influenced the development of improved personality and customization features in the latest models. AI
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RANK_REASON Model retirement announcement from OpenAI, detailing the deprecation of older models in favor of newer versions with improved features.
