tech

December 17, 2025

xAI raises $6B Series C

We are partnering with A16Z, Blackrock, Fidelity Management & Research Company, Kingdom Holdings, Lightspeed, MGX, Morgan Stanley, OIA, QIA, Sequoia Capital, Valor Equity Partners and Vy Capital, amongst others.

xAI raises $6B Series C

TL;DR

  • xAI secured $6 billion in Series C funding.
  • Key investors include A16Z, Blackrock, Fidelity Management & Research Company, Kingdom Holdings, Lightspeed, MGX, Morgan Stanley, OIA, QIA, Sequoia Capital, Valor Equity Partners, and Vy Capital.
  • NVIDIA and AMD participated as strategic investors.
  • xAI established Colossus, the world's largest AI supercomputer, using 100,000 NVIDIA Hopper GPUs, and plans to double its size.
  • Developed frontier language model Grok 2 and proprietary autoregressive image generation model Aurora.
  • Launched xAI API for programmatic access to foundation models and integrated Grok features like web search and citations on š¯•¸.
  • Grok 3 model is currently in training.
  • Funds will accelerate infrastructure, ship new products, and advance R&D for future technologies.
  • xAI's mission is to understand the true nature of the universe and develop AI that is truthful, competent, and beneficial to humanity.
  • xAI is actively hiring mission-oriented individuals.

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