"Bring GPT-4o Back!" Less than a week following the launch of GPT-5, in the face of fierce user resistance, OpenAI swiftly declared the reintroduction of prior models, including GPT-4o. That was when it dawned on everyone that users had forged a profound "emotional bond" with older models such as 4o. The discontinuation of 4o had transcended a mere product upgrade; it was akin to abruptly snatching away a well - known companion from the users' midst.