xAI has officially lunched Grok 4 during a livestream with Elon Musk, who called it the “smartest AI in the world.” He said that if you make the Grok 4 take the SATs and the GREs, it would get near perfect results every time and can answer questions it’s never seen before. “Grok 4 is smarter than almost all graduate students in all disciplines simultaneously” and can reason at superhuman levels, he claimed.
Musk and the xAI team showed benchmarks they used for Grok 4, including something called “Humanity’s Last Exam” that contained 2,500 problems curated by
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