OpenAI pulled the plug on GPT-4o in ChatGPT on February 13, 2026, the eve of Valentine’s Day, cutting off a model that many ...
OpenAI is retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and other older models in ChatGPT to focus development on newer, improved GPT versions. The post Your favorite old ChatGPT models are going away ...