Microsoft on Monday hired two leading executives from the company that created ChatGPT after one of them was abruptly fired by OpenAI, the startup whose chatbot kicked off the era of generative artificial intelligence.

Microsoft Altman

Microsoft has announced that it has hired Sam Altman and another architect of ChatGPT maker OpenAI after they unexpectedly departed the company days earlier in a corporate shakeup that shocked the artificial intelligence world. Eric Risberg/Associated Press

The developments followed a weekend of drama that shocked the AI field and fueled speculation about the future of OpenAI, which named a new chief executive on Friday and then replaced her on Sunday. The newest CEO vowed to investigate the firing of co-founder and CEO Sam Altman, one of the world’s most sought-after experts on AI.

Microsoft, which has been a close partner of the company and invested billions of dollars in it, announced that Altman and OpenAI’s former president, Greg Brockman, would lead its new advanced AI research team. Brockman, also an OpenAI co-founder, quit in protest after Altman was fired.

Many more OpenAI employees, including other top executives, threatened to join them at Microsoft in an open letter addressed to OpenAI’s four-member board that called for the board’s resignation and Altman’s return.

“If the architects and vision and brains behind these products have now left, the company will be a shell of what it once was,” said Sarah Kreps, director of Cornell University’s Tech Policy Institute. “All of that brain trust going to Microsoft will then mean that these impressive tools will be coming out of Microsoft. It will be hard to see OpenAI continue to thrive as a company.”

Microsoft CEO Satya Nadella wrote on X, formerly known as Twitter, that he was “extremely excited” to bring on the pair and looked “forward to getting to know” the new management team at OpenAI.


Altman later said on X that his top priority with Nadella is to ensure that OpenAI “continues to thrive” and that it is committed to “fully providing continuity of operations to our partners and customers.”

OpenAI said Friday that Altman was pushed out after a review found he was “not consistently candid in his communications” with the board of directors, which had lost confidence in his ability to lead the company.

In an X post Monday, OpenAI’s new interim chief executive, Emmett Shear, said he would hire an independent investigator to look into Altman’s ouster and write a report within 30 days.

“It’s clear that the process and communications around Sam’s removal” were handled “very badly,” wrote Shear, who co-founded Twitch, an Amazon-owned livestreaming service popular with video gamers.

He said he also plans in the next month to “reform the management and leadership team in light of recent departures into an effective force” and speak with employees, investors and customers.

After that, Shear said he would “drive changes in the organization,” including “significant governance changes if necessary.”


Originally started as a nonprofit, and still governed as one, OpenAI’s stated mission is to safely build AI that is “generally smarter than humans.” Debates have swirled around that goal and whether it conflicts with the company’s increasing commercial success.

The reason behind the board removing Altman was not a “specific disagreement on safety,” Shear said.

OpenAI last week declined to answer questions about Altman’s alleged lack of candor. The company’s statement said his behavior was hindering the board’s ability to exercise its responsibilities.

A key driver of the shakeup, OpenAI’s co-founder, chief scientist and board member Ilya Sutskever, expressed regrets for his participation in the ouster.

“I never intended to harm OpenAI. I love everything we’ve built together and I will do everything I can to reunite the company,” he said Monday on X.

Hundreds of OpenAI employees signed a letter that began circulating early Monday calling for the board’s resignation and Altman’s return and threatening to follow Altman and Brockman to Microsoft, according to a copy of the letter obtained by The Associated Press.


The copy showed that the number of signatures amounted to a majority of the company’s 770 employees. The AP was not able to independently confirm that all of the signatures were from OpenAI employees.

“Everyone at @OpenAI is united,” one of the signatories, research scientist Noam Brown, said on X. “This is not a civil war. Unless Sam and Greg are brought back, there will be no OpenAI left to govern.”

The letter alleged that after Altman’s firing, the company’s remaining executive team had recommended the board resign and be replaced with a “qualified board” that could stabilize the company. But the board resisted and said allowing OpenAI to be destroyed would be consistent with its safety-focused mission, according to the letter.

A company spokesperson confirmed that the board received the letter.

Microsoft declined to comment on the letter.

After Altman was pushed out, he stirred speculation about coming back into the fold in a series of tweets. He posted a selfie with an OpenAI guest pass Sunday, saying this is “first and last time i ever wear one of these.”


Hours earlier, he tweeted, “i love the openai team so much,” which drew heart replies from Brockman and Mira Murati, OpenAI’s chief technology officer who was initially named as interim CEO.

It’s not clear what transpired between the announcement of Murati’s interim role Friday and Shear’s hiring, though she was among several employees Monday who tweeted, “OpenAI is nothing without its people.” Altman replied to many with heart emojis.

The board consists of Sutskever, Quora CEO Adam D’Angelo, tech entrepreneur Tasha McCauley and Helen Toner of the Georgetown Center for Security and Emerging Technology. None could be reached for comment. The board, because of its nonprofit structure, differs from most startup boards that are typically led by investors.

Altman helped catapult ChatGPT to global fame based on its ability to respond to questions and produce human-like passages of text in a seemingly natural way.

In the past year, he has become Silicon Valley’s most in-demand voice on the promise and potential dangers of artificial intelligence.

Earlier this year, he went on a world tour to meet with government officials, drawing big crowds at public events as he discussed the risks of AI and attempts to regulate the emerging technology.


But as money poured into OpenAI this year, helping to advance its development of more capable AI, it also brought more conflict around whether that fast pace of commercialization fit with the startup’s founding vision, said Kreps, the Cornell University professor. But rather than slow that pace, Altman’s ouster may simply shift it out of OpenAI.

Altman “really has a walk-on-water aura, and I think a lot of it is well deserved,” Kreps said. “He’s the one who has attracted the investment, and he’ll do that wherever it is.”

Microsoft’s shares rose nearly 2% before the opening bell and were nearing an all-time high Monday.

The AP and OpenAI have a licensing and technology agreement allowing OpenAI access to part of the AP’s text archives.

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