<ul data-eligibleForWebStory="false"><li>xAI has launched its latest flagship AI models, Grok 4 and Grok 4 Heavy, along with a new $300/month SuperGrok Heavy subscription tier aimed at power users and developers.</li><li>Grok 4 is positioned to compete with other leading AI models like OpenAI’s ChatGPT and Google’s Gemini, showcasing high performance in benchmark evaluations according to xAI.</li><li>Grok 4 excelled on Humanity’s Last Exam, scoring 25.4% without external tools and 44.4% with tools, surpassing competitors like OpenAI’s o3 and Gemini 2.5 Pro.</li><li>The SuperGrok Heavy subscription offers early access to Grok 4 Heavy and upcoming features, including an AI coding model, a multi-modal agent, and a video generation system. xAI aims to expand its reach to developers and enterprise users through API availability and partnerships with cloud hyperscalers.</li></ul>

xAI launches Grok 4 with new $300/month SuperGrok Heavy subscription

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