opinion

OpenAI launched the latest version of ChatGPT in August.

Ignacio Cofone is professor of law and regulation of artificial intelligence at the University of Oxford.

The shift from OpenAI’s GPT-4o to its new GPT-5 system , which limited access to older models, left many users disoriented, frustrated and, in some cases, grieving. Complaints flooding online forums read less like reactions to a software update and more like breakup stories.

For some, the change felt like losing a confidant, a friend, or even a therapist as the system’s tone and personality changed. GPT-5’s clipped tone replacing GPT-4o’s chatty and warm style left users with a sense of loss. The problem was amplified for those who had created GPTs designed as companions or counsellors. With GPT-5, those bots respon

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