June 4, 2026
Two more xAI co-founders are among those leaving after the SpaceX merger


Since the xAI-SpaceX merger announced last week, which combined the two companies (as well as social media platform X) for a reported $1.25 trillion valuation โ€” the biggest merger of all time โ€” a handful of xAI employees and two of its co-founders have abruptly exited the company, penning long departure announcements online. Some also announced that they were starting their own AI companies.

Co-founder Yuhai (Tony) Wu announced his departure on X, writing that it was โ€œtime for [his] next chapter.โ€ Jimmy Ba, another co-founder, posted something similar later that day, saying it was โ€œtime to recalibrate [his] gradient on the big picture.โ€ The departures mean that xAI is now left with only half of its original 12 co-founders on staff.

It all comes after changing plans for the future of the combined companies, which Elon Musk recently announced would involve โ€œspace-based AIโ€ data centers and vertical integration involving โ€œAI, rockets, space-based internet, direct-to-mobile device communications and the worldโ€™s foremost real-time information and free speech platform.โ€ Musk reportedly also talked of plans to build an AI satellite factory and city on the moon in an internal xAI meeting.

Musk wrote on X Wednesday that โ€œxAI was reorganized a few days ago to improve speed of executionโ€ and claimed that the process โ€œunfortunately required parting ways with some people,โ€ then put out a call for more people to apply to the company. He also posted a recording of xAIโ€™s 45-minute internal all-hands meeting that announced the changes.

โ€œWeโ€™re organizing the company to be more effective at this scale,โ€ Musk said during the meeting. He added that the company will now be organized in four main application areas: Grok Main and Voice, Coding, Imagine (image and video), and Macrohard (โ€œwhich is intended to do full digital emulation of entire companies,โ€ Musk said).

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