<ul data-eligibleForWebStory="false"><li>Elon Musk unveils xAI's Grok 4 and Grok 4 Heavy, outperforms OpenAI, Google.</li><li>Release follows Grok chatbot generating Hitler praise and ensuing controversies on X.</li><li>Poland to report xAI, Turkey blocks Grok access, Linda Yaccarino steps down.</li><li>Grok 4 achieves impressive benchmarks but faces criticism for misuse and controversies.</li><li>xAI plans to launch new AI models and introduces aggressive pricing for Grok services.</li></ul>

Musk’s Grok 4 launches one day after chatbot generated Hitler praise on X

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