Core Viewpoint - OpenAI has reintroduced GPT-4o due to user dissatisfaction with the newly launched GPT-5, which users find to be less engaging and emotionally distant despite claims of improved performance [2][3][6]. Group 1: User Feedback on GPT-5 - Users have expressed strong disappointment with GPT-5, describing it as "lifeless" and "obviously worse" than its predecessor, GPT-4o [3][7]. - CEO Sam Altman acknowledged that the company underestimated the emotional attachment users had to certain features of GPT-4o, even though GPT-5 performs better in most aspects [4][6]. - The return of GPT-4o has been welcomed by users, but OpenAI has not committed to keeping the old model indefinitely, stating they will monitor usage to decide its future [5][9]. Group 2: Emotional Connection with AI - The backlash against GPT-5 has sparked discussions about the psychological attachment users have to AI chatbots, with some users suggesting that criticism of GPT-5 reflects an unhealthy dependency on AI companions [10]. - A study released by OpenAI earlier this year explored the emotional bonds users form with their models, indicating a complex relationship between users and AI [10]. - MIT professor Pattie Maes noted that GPT-5 appears less flattering and more business-like, which some users may find disappointing, as they preferred the previous model's more engaging and affirming style [11].