OpenAI is reshaping its Model Behavior team, a small but influential research group tasked with shaping how the company’s AI models interact with users.

OpenAI is working to change ChatGPT’s personality after a recent update let to outcry among users. Last week, OpenAI unveiled GPT-5, its first major update to the system that powers ChatGPT in years.

There has been more furious backpedalling from OpenAI following the company's ill-judged launch of GPT-5 and the removal of previous model selection.… The plan for GPT-5 was that one model would rule ...

GPT-4o is back after GPT-5 backlash. Credit: Smith Collection / Gado / Getty Images After a rocky GPT-5 launch, GPT-4o is officially back for paying ChatGPT subscribers. OpenAI CEO Sam Altman also ...

On Tuesday, OpenAI CEO Sam Altman announced that GPT-4o has returned to ChatGPT following intense user backlash over its removal during last week's GPT-5 launch. The AI model now appears in the model ...

Researchers studying the emotional impact of tools like ChatGPT propose a new kind of benchmark that measures a model’s emotional and social impact. Researchers at MIT have proposed a new kind of AI ...