Elon Musk's xAI loses another cofounder

Elon Musk is seeking as much as $134 billion in damages from OpenAI and Microsoft

Jae C. Hong/AP

• Another xAI cofounder has left Elon Musk's AI startup.
• Tony Wu said he has resigned from the company and thanked Musk "for the ride of a lifetime."
• Wu is the fourth cofounder to leave the company over the past year.

One of xAI's cofounders, Tony Wu, has left Elon Musk's AI company.

Wu said in a post on X on Tuesday that he has resigned from the company.

"It's time for my next chapter," Wu wrote.