Audience
Power users, developers, researchers, and technical enthusiasts seeking a premium, multi-agent AI model with top-tier reasoning, multimodal intelligence, and early access to cutting-edge features
About Grok 4 Heavy
Grok 4 Heavy is the most powerful AI model offered by xAI, designed as a multi-agent system to deliver cutting-edge reasoning and intelligence. Built on the Colossus supercomputer, it achieves a 50% score on the challenging HLE benchmark, outperforming many competitors. This advanced model supports multimodal inputs including text and images, with plans to add video capabilities. Grok 4 Heavy targets power users such as developers, researchers, and technical enthusiasts who require top-tier AI performance. Access is provided through the premium “SuperGrok Heavy” subscription priced at $300 per month. xAI has enhanced moderation and removed problematic system prompts to ensure responsible and ethical AI use.
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Company Information
xAI
Founded: 2023
United States
grok.com
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