xAI is the AI company founded by Elon Musk in 2023, producing the Grok large language model family and operating the Memphis Colossus compute cluster. xAI absorbed X (the social platform) in March 2025 and was acquired by SpaceX in February 2026 in an all-stock deal valuing xAI at approximately $250 billion. Articles cover xAI products, research, and the broader company strategy.
Grok is xAI’s large language model family. The current flagship as of mid-2026 is Grok 4.3, released May 6, 2026, with the…
xAI has launched Voice Agent Builder, a no-code platform for building production voice agents on Grok Voice. Announced in beta on July…