Elon Musk vs Sam Altman feud takes a twist as xAI boss praises ChatGPT-5’s ‘I don’t know’ response

Elon Musk praised OpenAI's GPT-5 model as impressive despite previously stating his Grok 4 Heavy model remains competitive. OpenAI had touted the reduced hallucinations in GPT-5 as one of the top features during the model launch.

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