Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT
OpenAI Blog 5 months ago
OpenAI is retiring four older models from ChatGPT on February 13, 2026: GPT-4o, GPT-4.1, GPT-4.1 mini, and o4-mini, alongside previously announced GPT-5 variants. The retirement date is February 13, 2026. API access to these models will remain unchanged.