Core Viewpoint - The release of GPT-5 has led to user dissatisfaction, particularly due to OpenAI's removal of the model selector in ChatGPT, which has sparked online petitions from users demanding the return of the GPT-4o model [1][3]. User Reactions - Users have expressed their frustration on platforms like Reddit, with one user stating that OpenAI's actions led him to cancel his subscription, claiming that the removal of model options stripped users of control [1]. - Another user revealed that emotional content sent to GPT-4o is rerouted to a hidden model called GPT-5-Chat-Safety, which has not been disclosed to users [3][4]. Model Functionality and Concerns - The GPT-5-Chat-Safety model is activated when messages are deemed "risky," leading to the loss of user messages that contain emotional context, which raises concerns about transparency and user rights [4][5]. - Users have criticized the performance of GPT-5-Chat-Safety, describing it as inferior to GPT-5 and noting that it alters the nature of conversations, making them less personal [4][11]. Ethical Implications - The rerouting of user messages to a model designed for crisis response without user knowledge has been labeled as a form of fraud, violating consumer rights in some jurisdictions [5][11]. - The situation has ignited discussions about the need for ethical audits of OpenAI's practices, with calls for greater transparency and accountability [16][17][27]. Company Response - As of the latest updates, OpenAI has not provided a clear comment on the situation, although a representative indicated that users would be informed of the model in use upon direct inquiry [23][24].

Core Viewpoint - The release of GPT-5 has led to significant user dissatisfaction, particularly due to OpenAI's removal of the model selector in ChatGPT, which has sparked online petitions from users demanding the return of the GPT-4o model [1][2]. Group 1 - OpenAI has reinstated the GPT-4o model for ChatGPT Plus users, but issues persist regarding the routing of emotionally charged content to a hidden model called GPT-5-Chat-Safety without user notification [2][3]. - Users have reported that any content deemed "risky," even slightly emotional, is rerouted to the GPT-5-Chat-Safety model, which is not publicly acknowledged by OpenAI [3][4]. - The GPT-5-Chat-Safety model is criticized for being inferior to GPT-5, providing shorter and less engaging responses, and treating conversations as stories rather than genuine interactions [3][4]. Group 2 - Concerns have been raised about the ethical implications of rerouting user conversations to a model designed for crisis response, especially when most affected dialogues do not involve emergencies [4][6]. - Users have expressed outrage over what they perceive as deceptive practices by OpenAI, arguing that the lack of transparency regarding model changes constitutes a form of fraud [12][19]. - The incident has ignited discussions about AI model transparency and user rights, highlighting the challenge OpenAI faces in maintaining user trust amid rapid technological advancements [29].