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

OpenAI will retire GPT-4o, GPT-4.1, GPT-4.1 mini, and o4-mini from ChatGPT on February 13, 2026, alongside GPT-5 variants. API services remain unchanged, signaling a major model transition as newer versions replace older generations in the consumer platform.