"4o" was bad to begin with, as "four-oh" is a common verbalization of "4.0".

		recursive 11 days ago \| parent \| context \| favorite \| on: Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI... "4o" was bad to begin with, as "four-oh" is a common verbalization of "4.0".