Grok 4 vs Grok 3: What makes Elon Musk’s newest AI model the “world’s most powerful AI”

xAI has launched Grok 4, succeeding Grok 3 with significant performance enhancements, including perfect scores in math competitions. Grok 4 excels in academic benchmarks and features an expanded context window, real-time data integration, and multimodal capabilities. Available via API and a new $300 monthly SuperGrok Heavy subscription, it targets enterprise users seeking top-tier AI performance.