Musk jabs at OpenAI, says Grok 4 Heavy 'smarter 2 weeks ago' than newly launched GPT-5 Tesla CEO Elon Musk on Thursday challenged OpenAI's GPT-5 release by asserting his xAI's Grok 4 Heavy model was already outperforming it two weeks ago. Orignial Source: https://www.foxbusiness.com/technology/musk-jabs-openai-says-grok-4-heavy-smarter-2-weeks-ago-than-newly-launched-gpt-5 Previous article: Trump’s tariff threat puts semiconductors on display Prev Next article: Fed official calls July jobs report 'concerning' as economy hits potential turning point Next
