xAI is the artificial intelligence company Elon Musk founded in March 2023 to build Grok, and as of February 2026 it is no longer an independent business — SpaceX acquired it in a $1.25 trillion all-stock merger, folding one of the world’s most closely watched AI labs into Musk’s rocket company ahead of a planned … Continue reading xAI Explained: Inside Elon Musk’s AI Company After the SpaceX Merger