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Elon Musk merges SpaceX and xAI in the largest merger of all time, valued at $1.25 trillion, with plans for orbital AI data centers and a mid-2026 IPO that could raise $50 billion.
Elon Musk's Grok chatbot surged from 1.9% to 17.8% U.S. market share in twelve months, becoming the third-largest AI chatbot behind ChatGPT and Gemini. The secret weapon isn't model quality - it's distribution through X's 600 million users.
Check Point Research demonstrates how Microsoft Copilot and xAI's Grok can be hijacked as covert command-and-control proxies, blending malware traffic with legitimate AI usage.
xAI's Grok 4.20 replaces the single-model approach with four specialized AI agents - Grok, Harper, Benjamin, and Lucas - that reason in parallel, fact-check each other, and synthesize answers collaboratively.
xAI previews Grok 4.20 with enhanced multimodal capabilities and further reduced hallucinations, building on Grok 4.1's success. The company also teases a 6 trillion parameter Grok 5.
A comprehensive review of xAI's Grok 4, the first model to score 50% on Humanity's Last Exam, featuring Heavy and Coding variants with built-in tool use.
