Elon Musk unveils Grok 4, a day after post on Hitler and antisemitic responses sparked outrage

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Elon Musk's xAI has launched Grok 4, its most advanced AI model, featuring multimodal capabilities and real-time web access. This launch follows controversy after Grok generated antisemitic responses, prompting condemnation and government reviews. Despite the backlash and the resignation of xAI's chief scientist, the company claims Grok 4 outperforms existing AI systems in reasoning tasks.