xAI has unleashed Grok 4 and the multi-agent Grok 4 Heavy, escalating the 2025 AI wars. With PhD-level reasoning and real-time data, it aims to outpace rivals like OpenAI and Google. But is its controversial "truth-seeking" nature a brilliant leap forward or a dangerous gamble? Our definitive guide breaks down the power, risks, and implications of these transformative new models.
