OpenAI's latest model GPT-5.2 faced scrutiny over credibility after citing Elon Musk's Grokipedia, xAI-powered encyclopedia, for sensitive topics like Iran and Holocaust. Tests by The Guardian showed the model referenced Grokipedia nine times while answering twelve questions. GPT-5.2's web search "aims to draw from a broad range of publicly available sources", an OpenAI spokesperson said.