Elon Musk's AI lab, now part of SpaceX.
xAI was founded by Elon Musk in 2023 to build Grok, an AI assistant built into the X social network. It built Colossus, one of the world's largest AI supercomputers, in Memphis in a matter of months. In February 2026 SpaceX acquired xAI in an all-stock deal valuing the combined company at $1.25 trillion, and Musk has said Grok and X will move into a SpaceX AI unit.
Products and models
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Estimated AI ideology
xAI markets Grok as 'maximally truth-seeking', with fewer content restrictions than rivals, and has scaled compute faster than any other lab. Its founder has also warned for years that AI is an existential risk.
AI Revolution's estimate based on publicly available statements, products, and policy positions. Not an objective classification.