Elon Musk's xAI just launched Grok 4, claiming it is the most powerful AI model yet, further claiming to outperform PhDs and rival giants, which include Open AI's ChatGPT and Google's Gemini 2.5 Pro amongst many others. From multimodal capabilities to the jaw-dropping SuperGrok Heavy subscription plan, check out what Grok 4 brings to the already crowded AI table for tech enthusiasts, developers, and AI skeptics alike.