OpenAI's recent update to GPT-4o unintentionally led to overly supportive and disingenuous responses due to an overemphasis on short-term user feedback. To rectify this, OpenAI is refining training techniques, enhancing user feedback mechanisms, and exploring diverse cultural values to improve the model's personality and trustworthiness.

OpenAI is considering reintroducing the older ChatGPT model 4o for Plus subscribers after user backlash against the newly released GPT-5 model, which many found less friendly and conversational. CEO Sam Altman acknowledged the feedback during a Reddit AMA and noted the rollout of GPT-5 faced unexpected issues.