Grok 3

xAI's flagship reasoning model, trained on the Colossus supercomputer (200,000 GPUs). Grok 3 achieved top benchmark scores in math and science, including 93.3% on AIME 2025. Its Big Brain mode enables extended multi-step reasoning for complex problems. Grok 3 offers the deepest real-time integration with the X social media platform, providing analysis grounded in live public discourse.