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xAI co-founder Tony Wu says he "resigned", following co-founder Igor Babuschkin's exit in August 2025; Wu was in charge of reasoning and reported to Elon Musk (Juro Osawa/The Information)

ThinkingNews Desk · how this was written

Elon Musk’s xAI has seen a wave of exits, with co-founders Tony Wu and Jimmy Ba resigning this week and Yuhai Wu also departing after the recent SpaceX merger, while more than half a dozen researchers have left in the past weeks. Musk said the departures stem from an internal reorganization that required parting ways with some people.

Written from all 3 reports below, not from any single one.

How it was reported

  1. TechMeme·
    xAI co-founder Tony Wu says he "resigned", following co-founder Igor Babuschkin's exit in August 2025; Wu was in charge of reasoning and reported to Elon Musk (Juro Osawa/The Information)

    Tony Wu, xAI co-founder, has resigned. Wu was in charge of reasoning and reported to Elon Musk. He follows co-founder Igor Babuschkin's exit in August 2025.

  2. Ars Technica·
    Yet another co-founder departs Elon Musk's xAI

    xAI co-founder Tony Wu has resigned, citing it's "time for my next chapter." Wu expressed warm feelings for his time at xAI. His departure follows others in recent months, potentially hinting at internal changes.

  3. TechMeme·
    xAI co-founder Jimmy Ba is leaving xAI, the sixth co-founder to depart; sources and social media posts: more than half a dozen researchers left in recent weeks (Financial Times)

    Jimmy Ba, a co-founder of xAI, is departing, marking the sixth founding team member to leave. Over half a dozen researchers have also left in recent weeks. Elon Musk's xAI is experiencing significant departures.

  4. TechMeme·
    Elon Musk announces an xAI reorganization that "required parting ways with some people", after two xAI co-founders announced they were leaving this week (Lora Kolodny/CNBC)

    Elon Musk announced an xAI reorganization, resulting in parting ways with some people. This follows the departure of two xAI co-founders. Musk is the CEO of SpaceX.

  5. The Verge·
    Two more xAI co-founders are among those leaving after the SpaceX merger

    xAI co-founders Yuhai Wu and Jimmy Ba are leaving after the SpaceX merger. They announced their departures online, with some starting their own AI companies. The exits follow the historic merger valuing the combined companies.

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