xAI Rolls Out Grok 4 with Native Real-Time Video Understanding
xAI has officially launched Grok 4, its most advanced model yet, featuring native real-time video analysis, multi-hour context retention, and significantly improved agentic reasoning. Early benchmarks show it leading in long-form video comprehension and complex multi-step planning, with the company stating the update was trained on a new cluster of 200,000 next-gen GPUs.