xAI secures $20 billion in Series E funding, exceeding target

Investing.com -- xAI has completed its Series E funding round, raising $20 billion and exceeding its initial target of $15 billion.

The artificial intelligence company attracted investments from Valor Equity Partners, Stepstone Group, Fidelity Management & Research Company, Qatar Investment Authority, MGX, and Baron Capital Group. Strategic investors NVIDIA and Cisco Investments also participated, continuing their support for xAI's compute infrastructure expansion and development of GPU clusters.

The funding comes after a year of significant development for xAI in 2025. The company expanded its data centers, Colossus I and II, which now contain over one million H100 GPU equivalents. xAI also advanced its Grok 4 Series frontier language models and launched Grok Voice, which offers real-time conversations in multiple languages.

The company reported approximately 600 million monthly active users across its 𝕏 and Grok applications. Other key initiatives included Grok Imagine for image and video generation and Grok on 𝕏, which utilizes the platform for real-time information processing.

xAI is currently training Grok 5 and plans to use the new financing to accelerate infrastructure development, deploy AI products to billions of users, and advance research aligned with its mission of "Understanding the Universe."

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