xAI's Grok 4 model, anticipated for release after July 4th, has not yet launched, though references to internal versions suggest ongoing development. Recent documentation indicates Grok 4 may achieve a significant 45% score on the Humanity last-exam benchmark, surpassing previous leaders and positioning xAI for competitive advantage against rivals like OpenAI and Google. The urgency for release is heightened by the fast-paced AI landscape, with expectations for Grok 4 to debut imminently.