Grok 4 and Grok 4 Code leaked ahead of official launch
Two unreleased Grok models, named Grok 4 and Grok 4 Code, have been spotted in the source code of xAI developer console. According to the leaked descriptions, Grok 4 is being positioned as xAI latest and greatest flagship model, built to deliver top-tier performance across natural language processing, mathematics, and reasoning tasks.