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xAI Unveils Grok 4 and $300/Month SuperGrok Heavy Plan
xAI Launches Grok 4: Next-Gen AI Model and Premium Subscription Elon Musk's artificial intelligence company, xAI, has launched its latest flagship model, Grok 4, introducing a new level of performance for business and developer users. Alongside Grok 4, xAI revealed its highest-priced subscription yet: SuperGrok Heavy at $300