XAI

American IT company

X.AI LLC, doing business as xAI, is a subsidiary of the American spaceflight company SpaceX working in the areas of artificial intelligence (AI) and social media. xAI's flagship products are the generative AI chatbot Grok and the social network X, which was acquired in March 2025. It has also constructed the Colossus supercomputer and launched a data center business. The company will develop a humanoid AI platform called Macrohard, which is intended for integration into a future robotic workforce across a range of applications; its current focus is developing virtual assistants. Prior to being acquired by SpaceX in February 2026, xAI's assets were part of a standalone corporation named X.AI Corp., founded by Elon Musk and 11 researchers in 2023.

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