Grok 4: Technical Excellence Amid Ethical and Security Controversies

On July 9, 2025, xAI released Grok 4 alongside its extended version, Grok 4 Heavy, with claims of advanced reasoning capabilities, state-of-the-art benchmark performance, and premium subscription plans such as “SuperGrok” at $300/month. Marketed as “the smartest AI,” Grok 4 promised reasoning power capable of solving PhD-level problems, outperforming many competing models in mathematical, logical, …

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