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Grok 4 is xAI’s most advanced model yet, but early praise is clashing with old scandals and fresh tests of its limits.
In a late-night announcement, X owner Elon Musk unveiled the new Grok 4 chatbot. Here's everything you need to know about it.
AI owner Elon Musk made some big claims about Grok’s capability, saying it was “better than PhD level in every subject.” ...