One of the most influential—and by some counts, notorious—AI models yet released will soon fade into history. OpenAI announced on April 10 that GPT 4 will be fully replaced by GPT 4o in ChatGPT at the end of April, bringing a public facing end to the model that accelerated a global AI race when it launched in March 2023. Effective April 30, 2025, GPT 4 will be retired from ChatGPT and fully replaced by GPT 4o, OpenAI wrote in its April 10 changelog for ChatGPT. While ChatGPT users will no...
