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

OpenAI will retire multiple ChatGPT models including GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini on February 13, 2026, alongside the previously announced GPT-5 retirement. The API services will remain unchanged at this time.