Elon Musk, chief govt officer of Tesla Inc., through the US-Saudi Funding Discussion board on the Kennedy Middle in Washington, DC, US, on Wednesday, Nov. 19, 2025.
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Lower than six weeks after Elon Musk merged SpaceX and xAI in a deal he valued at $1.25 trillion, the world’s richest particular person is acknowledging that his synthetic intelligence startup “was not constructed proper first time round, so is being rebuilt from the foundations up.”
Musk took to X, which is now owned by SpaceX, to make the remark after plenty of xAI’s co-founders just lately hit the exits. The latest got here this week, when Zihang Dai and Guodong Zhang reportedly left the corporate.
Final month, influential researcher Jimmy Ba introduced his departure in a publish on X, thanking Musk and writing that he was, “Grateful to have helped cofound at the beginning.” That got here after Tony Wu stated he was leaving. Toby Pohlen adopted them out the door later in February.
A month earlier, Musk’s automaker, Tesla, stated it had agreed to take a position $2 billion into xAI, tied to a $20 billion funding spherical the corporate had beforehand introduced.
The xAI exodus, which leaves Musk with solely a pair of people that began the corporate with him in 2023, comes as SpaceX prepares to go public someday this yr in what’s going to probably be a file IPO, ought to it happen.
In merging SpaceX with xAI final month, the reusable rocket firm was valued at $1 trillion and the AI a part of the enterprise was tagged at $250 billion, in response to paperwork considered by CNBC.
Musk beforehand used xAI to accumulate his social community X, previously Twitter, in one other all-stock transaction introduced final March.
On Thursday, SpaceX stated it employed two programmers from red-hot AI coding startup Cursor, Andrew Milich and Jason Ginsberg. The Monetary Instances reported on Friday, citing folks conversant in the matter, that Musk has ordered a spherical of job cuts after seeing the speedy success of coding instruments from generative AI rivals OpenAI and Anthropic.
“Many proficient folks over the previous few years have been declined a suggestion and even an interview @xAI,” Musk wrote on X early Friday. “My apologies.”
Musk added that he and Baris Akis, who’s liable for engineering expertise at xAI, “are going by means of the corporate interview historical past and reaching again out to promising candidates.”
Along with shedding early expertise and falling behind in AI-powered coding, xAI faces plenty of controversies surrounding its chatbot and picture generator Grok, which is the topic of presidency investigations in a number of worldwide jurisdictions.
The issues started after Grok enabled customers to simply generate non-consensual sexual pictures, or deepfake porn, by modifying pictures or movies of actual adults and youngsters.
Below the Trump presidency, xAI’s Grok has received authorities contracts from the Protection Division and Normal Companies Administration.
In the meantime, xAI has been spending billions of {dollars} to face up energy and information infrastructure in and round Memphis, Tennessee, lately. The corporate simply scored a allow within the state of Mississippi to arrange one of many largest energy crops within the area to make use of pure gas-burning generators for xAI’s information facilities.
Tesla, which accounts for considerably all of Musk’s liquid wealth, is working with xAI in plenty of methods. The EV maker is integrating Grok into its car infotainment and navigation programs and utilizing Grok fashions along with the event of Optimus humanoid robots.
Tesla has additionally offered a whole bunch of tens of millions of {dollars} price of its large backup batteries to xAI to be used at its information facilities.
Musk and xAI did not instantly reply to requests for remark.
