Musk confirms xAI-Tesla joint 'Digital Optimus' project — after saying Tesla didn't need xAI
March 13, 2026
Elon Musk announced today that “Digital Optimus”, also called “Macrohard”, is a joint xAI-Tesla project that will use xAI’s Grok large language model to power a computer-controlling AI agent. The project is part of Tesla’s $2 billion investment agreement with xAI.
The announcement directly contradicts Musk’s own September 2024 statement that Tesla had “no need to license anything…