Grok 4: The new chatbot Elon Musk calls 'Big Bang Intelligence'

xAI, the Artificial Intelligence firm backed by Elon Musk, has released Grok 4.0. The development comes just months after it released its previous version of Grok and just days after Grok 3 made several antisemitic remarks and even praised Adolf Hitler on social media. But what do we know about Grok 4, which is said to be 'smarter' than graduates

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