After a rocky GPT-5 launch, GPT-4o is officially back for paying ChatGPT subscribers. OpenAI CEO Sam Altman also promised users to give them a warning before taking away GPT-4o again. On Tuesday, ...

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.

OpenAI is shuffling the team that shapes its AI models' behavior, and its leader is moving on to another project within the ...

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 ...