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Grok 4 Heavy vs. Claude Sonnet 4: Which AI should you choose? Discover how xAI's reasoning powerhouse stacks up against Anthropic's affordable coding champion. We compare benchmarks, real-world performance, speed, and pricing to help you find the winner for your specific needs.

xAI’s Colossus 2, the world’s first gigawatt AI training supercluster, powers Grok 4, the most advanced AI model in 2025. With 200,000 Nvidia GPUs and 168 Tesla Megapacks, it’s redefining AI innovation, challenging OpenAI and Anthropic. Discover how Colossus 2 sets xAI apart in the AI race.

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.