Sam Altman’s OpenAI is reportedly building its own social media platform – a move that could escalate tensions with his bitter rival, X owner Elon Musk. While the OpenAI project is in its ...

OpenAI says its latest models, o3 and o4-mini, are its most powerful yet. However, research shows the models also hallucinate more -- at least twice as much as earlier models. Also: How to use ...