OpenAI updated GPT-5 to make it warmer and more familiar (in the sense of being friendlier) while taking care that the model didn’t become sycophantic, a problem discovered with

More than one user referred to GPT-4o as their soulmate, describing in detail how emotionally gutted they were when OpenAI initially took it down. These posts have been less common, but they offer some of the fiercest reactions to the model's disappearance.

In response, OpenAI preserved access to GPT-5 Standard and Thinking models while restoring GPT-4o for ChatGPT Plus customers. Additionally, the business pledged to enhance GPT-5 by making its answers more captivating and emotionally impactful.