xAI
Grok, Colossus, and Elon Musk's frontier lab.
- Focus
- Frontier AI lab
- Founded
- 2023
- HQ
- Palo Alto, CA · Memphis, TN
About xAI
xAI is Elon Musk's frontier AI lab, building the Grok family of models and distributing them through X (formerly Twitter) and the standalone Grok app and API. Its Memphis-based Colossus supercluster is one of the largest single-site GPU deployments in the world and a public argument that scale-first infrastructure is a moat.
Official sources
Primary — direct from xAIxAI news — Grok updates, Colossus supercluster progress, and product moves — through founder Elon Musk.
On the roster
- EMElon MuskFounder · xAI
Latest xAI coverage
3 stories of 3- Post · XJul 6, 2026 · X / Twitter
Elon Musk says xAI is being rebuilt from the foundations up
A direct X post from Musk describing a reset of xAI's foundations and comparing the process to Tesla's early rebuild.
- Post · XJul 5, 2026 · X / Twitter
Elon Musk argues universal high income is the answer to AI-driven unemployment
The exact X post sets out Musk's view that AI and robotics could fund broad income support without inflation.
- Post · XJul 4, 2026 · X / Twitter
Elon Musk replies to Sam Altman's Twitter acquisition joke
The exact X reply is part of the public Musk-Altman exchange over OpenAI and Twitter.