ChatGPT maker OpenAI says it has agreed a deal for Sam Altman to return as chief executive after he was ousted by its board.
The agreement “in principle” involves a new board being installed, the company said.
In a post on X, OpenAI said: “We have reached an agreement in principle for Sam Altman to return to OpenAI as CEO.”
“We are collaborating to figure out the details. Thank you so much for your patience through this.”
It followed a threatened mutiny by OpenAI staff, who worked on ChatGPT, the generative AI model which gave millions of people the ability to have questions answered by artificial intelligence (AI) after it launched last year.
The vast majority of them said they would quit and work for Microsoft if the board did not resign and if Mr Altman and his ally and company president Greg Brockman, who left in solidarity with Mr Altman, were not reinstated.
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0:09
CEO of OpenAI Sam Altman speaks to Sky News
The new board of directors, which operates on a not-for-profit basis, unlike conventional boards, will include the former US Treasury secretary and economics professor, Larry Summers.
It will be chaired by the former CEO of Salesforce and co-creator of Google Maps Bret Taylor, with the CEO of question and answer site Quora Adam D’Angelo also joining the board.
OpenAI’s board operates on a non-commercial basis, unlike the company, as it was originally founded as a not-for-profit with the goal of building safe and beneficial AI “for the benefit of humanity”.
Mr Brockman said of his return, which came on Tuesday night west coast America time, that he was “getting back to coding tonight”.
Mr Altman said: “I love OpenAI, and everything I’ve done over the past few days has been in service of keeping this team and its mission together.
“When I decided to join Microsoft on Sunday evening, it was clear that was the best path for me and the team.
“With the new board and with Satya’s [the CEO of Microsoft’s] support, I’m looking forward to returning to OpenAI, and building on our strong partnership with Microsoft.”
The board had said he “was not consistently candid in his communications with the board”.
But in a letter to the board, employees said: “Despite many requests for specific facts for your allegations, you have never provided any evidence.”
The company’s interim chief executive Emmett Shear said Mr Altman was not removed over “any specific disagreement on safety”.
“Their reasoning was completely different,” he added.
It was not immediately clear what the future will hold for Mr Shear.
He posted on X (Twitter) that he was “deeply pleased by this result, after [around] 72 very intense hours of work”.
The former head of game streaming platform Twitch added: “Coming into OpenAI, I wasn’t sure what the right path would be. This was the pathway that maximized safety alongside doing right by all stakeholders involved. I’m glad to have been a part of the solution.”
Mel Gibson says there is “nothing left” of his Hollywood home following the LA wildfires and “someone should answer” for the devastation.
The Braveheart star was with podcaster Joe Rogan when the flames engulfed his Malibu mansion and said he was a “little tense” while recording their discussion.
But he knew his family were “out of harm’s way” and a few “necessary things” such as passports were saved.
The loss of his home and others is “tragic”, however, and it “makes you really sad”, he added.
While describing lost items as “only things”, he said they included “works of art, photographs, [and] rare books”, some of them dating back to 1600.
Regarding the conduct of the authorities, he told Fox News: “Apparently, some people were asleep on the job, mainly our leaders.
“That’s something they have to live with. Kids are traumatised. Someone should answer for it.”
Asked if he had a message for California governor Gavin Newsom, or Karen Bass, the mayor of Los Angeles, he commented: “Spend less on hair gel.”
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1:29
Celebrities’ homes have burned down in the LA fires
At least 16 people have been killed in the blazes, with more than 100,000 asked to evacuate their homes.
The fires have affected multiple celebrities, ripping through exclusive suburbs in southern California, home to film stars and billionaires.
Legendary British actor Sir Anthony Hopkins has reportedly lost his home in the Pacific Palisades fire.
The star – perhaps best known for his performance as Hannibal Lecter in The Silence of the Lambs – posted a message on Instagram, in which he said: “As we all struggle to heal from the devastation of these fires, it’s important we remember that the only thing we take with us is the love we give.”
The mother of British child star Rory Sykes, 32, has confirmed her son died in the Pacific Palisades fire.
Sykes appeared in TV programme Kiddy Kapers in the 1990s.
Shelley Sykes said her “beautiful son” was “born blind with cerebral palsy and had difficulty walking” but had overcome “so much with surgeries and therapies to regain his sight and to be able to learn to walk”.
Paris Hilton, meanwhile, says her “heart shattered into a million pieces” after visiting the charred remains of her Malibu beach house.
Describing herself as “in complete shock”, the hotel heiress said seeing her family memories “reduced to ashes” was “devastating”.
Hilton, 43, said she watched her home burn to the ground on TV – and shared a video on social media from inside the gutted structure.
She said she was grateful to be safe along with her husband Carter Reum and their two children, Phoenix and London, but was still devastated.
She wrote on Instagram: “I’m standing here in what used to be our home, and the heartbreak is truly indescribable.
“When I first saw the news, I was in complete shock – I couldn’t process it. But now, standing here and seeing it with my own eyes, it feels like my heart has shattered into a million pieces.”
She has lived in the multi-million-pound property for three years.
Hilton added: “This house wasn’t just a place to live – it was where we dreamed, laughed, and created the most beautiful memories as a family.
“It was where [son] Phoenix’s little hands made art that I’ll cherish forever, where love and life filled every corner. To see it reduced to ashes… it’s devastating beyond words.
“What breaks my heart even more is knowing that this isn’t just my story. So many people have lost everything. It’s not just walls and roofs – it’s the memories that made those houses homes. It’s the photos, the keepsakes, the irreplaceable pieces of our lives.”
She described herself as “incredibly lucky”, adding: “My loved ones – my babies – and my pets are safe. That’s the most important thing”.
She thanked the firefighters, first responders and volunteers who she said were “all risking their lives” to help, adding: “Even in the ashes, there is still beauty in this world.”
Presenter Ricki Lake said she and her husband Ross had lost their “dream home” and their “heaven on earth”.
She said on Instagram: “We never took our heavenly spot on the bluff overlooking our beloved Malibu for granted, not even for one second.
“This loss is immeasurable. It’s the spot where we got married three years ago. I grieve along with all of those suffering during this apocalyptic event.”
The ancestral home of Big Lebowski actor Jeff Bridges is also understood to have been destroyed.
The four-bedroom home, which had been in the Bridges family for generations, was inherited by Bridges and his two siblings in 2018 according to the Los Angeles Times.
Tina Knowles, mother of singer Beyonce, has also lost a house she owned in Malibu to the fires.
She shared a short video of dolphins playing in the sea on Instagram, writing: “This is what I was looking at on my birthday this past weekend from my tiny little bungalow on the water in Malibu! It was my favourite place, my sanctuary, my sacred Happy Place. Now it is gone!!”
She went on to thank the fire department and first responders and offered condolences to others affected by the fires.
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Take That star Mark Owen and his family were evacuated from their home, his wife Emma Ferguson describing them waking to “helicopters, thick black smoke and winds howling”.
She said that while she was grateful her family was safe, it was “exhausting” to be “constantly looking online to see if your house is gone”.
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1:04
Steve Guttenberg: ‘I’ve seen such tragedy’
Actor Steve Guttenberg, best known for his role in the Police Academy film franchise, has called the fires “absolutely the worst” he has ever seen and has been doing what he can to help distressed residents.
Other stars to have lost their homes in the fires include Billy Crystal, Miles Teller, Diane Warren, Cary Elwes, Milo Ventimiglia, Anna Faris, Adam Brody and Leighton Meester, Spencer Pratt and Heidi Montag.
On Friday, the Recording Academy, which runs the Grammy Awards, and charity MusiCares pledged $1m (£813,000) to support music artists affected by the fires.
Actress Jamie Lee Curtis has pledged the same amount to fire relief efforts from her family foundation.
Mel Gibson says there is “nothing left” of his Hollywood home following the LA wildfires and “someone should answer” for the devastation.
The Braveheart star was with podcaster Joe Rogan when the flames engulfed his Malibu mansion and said he was a “little tense” while recording their discussion.
But he knew his family were “out of harm’s way” and a few “necessary things” such as passports had been saved.
But the loss of his home and others is “tragic” and it “makes you really sad”, he added.
While describing lost items as “only things”, he said they included “works of art, photographs, [and] rare books”, some of them dating back to 1600.
Regarding the conduct of the authorities, he told Fox News: “Apparently, some people were asleep on the job, mainly our leaders.
“That’s something they have to live with. Kids are traumatised. Someone should answer for it.”
Asked if he had a message for California governor Gavin Newsom, or Karen Bass, the mayor of Los Angeles, he commented: “Spend less on hair gel.”
Please use Chrome browser for a more accessible video player
1:29
Celebrities’ homes have burned down in the LA fires
At least 16 people have been killed in the blazes, with more than 100,000 asked to evacuate their homes.
The fires have affected multiple celebrities, ripping through exclusive suburbs in southern California, home to film stars and billionaires.
Legendary British actor Sir Anthony Hopkins has reportedly lost his home in the Pacific Palisades fire.
The star – perhaps best known for his performance as Hannibal Lecter in The Silence of the Lambs – posted a message on Instagram, in which he said: “As we all struggle to heal from the devastation of these fires, it’s important we remember that the only thing we take with us is the love we give.”
The mother of British child star Rory Sykes, 32, has confirmed her son died in the Pacific Palisades fire.
Sykes appeared in TV programme Kiddy Kapers in the 1990s.
Shelley Sykes said her “beautiful son” was “born blind with cerebral palsy and had difficulty walking” but had overcome “so much with surgeries and therapies to regain his sight and to be able to learn to walk”.
Paris Hilton, meanwhile, says her “heart shattered into a million pieces” after visiting the charred remains of her Malibu beach house.
Describing herself as “in complete shock”, the hotel heiress said seeing her family memories “reduced to ashes” was “devastating”.
Hilton, 43, said she watched her home burn to the ground on TV – and shared a video on social media from inside the gutted structure.
She said she was grateful to be safe along with her husband Carter Reum and their two children, Phoenix and London, but was still devastated.
She wrote on Instagram: “I’m standing here in what used to be our home, and the heartbreak is truly indescribable.
“When I first saw the news, I was in complete shock – I couldn’t process it. But now, standing here and seeing it with my own eyes, it feels like my heart has shattered into a million pieces.”
She has lived in the multi-million-pound property for three years.
Hilton added: “This house wasn’t just a place to live – it was where we dreamed, laughed, and created the most beautiful memories as a family.
“It was where [son] Phoenix’s little hands made art that I’ll cherish forever, where love and life filled every corner. To see it reduced to ashes… it’s devastating beyond words.
“What breaks my heart even more is knowing that this isn’t just my story. So many people have lost everything. It’s not just walls and roofs – it’s the memories that made those houses homes. It’s the photos, the keepsakes, the irreplaceable pieces of our lives.”
She described herself as “incredibly lucky”, adding: “My loved ones – my babies – and my pets are safe. That’s the most important thing”.
She thanked the firefighters, first responders and volunteers who she said were “all risking their lives” to help, adding: “Even in the ashes, there is still beauty in this world.”
Presenter Ricki Lake said she and her husband Ross had lost their “dream home” and their “heaven on earth”.
She said on Instagram: “We never took our heavenly spot on the bluff overlooking our beloved Malibu for granted, not even for one second.
“This loss is immeasurable. It’s the spot where we got married three years ago. I grieve along with all of those suffering during this apocalyptic event.”
The ancestral home of Big Lebowski actor Jeff Bridges is also understood to have been destroyed.
The four-bedroom home, which had been in the Bridges family for generations, was inherited by Bridges and his two siblings in 2018 according to the Los Angeles Times.
Tina Knowles, mother of singer Beyonce, has also lost a house she owned in Malibu to the fires.
She shared a short video of dolphins playing in the sea on Instagram, writing: “This is what I was looking at on my birthday this past weekend from my tiny little bungalow on the water in Malibu! It was my favourite place, my sanctuary, my sacred Happy Place. Now it is gone!!”
She went on to thank the fire department and first responders and offered condolences to others affected by the fires.
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Take That star Mark Owen and his family were evacuated from their home, his wife Emma Ferguson describing them waking to “helicopters, thick black smoke and winds howling”.
She said that while she was grateful her family was safe, it was “exhausting” to be “constantly looking online to see if your house is gone”.
Please use Chrome browser for a more accessible video player
1:04
Steve Guttenberg: ‘I’ve seen such tragedy’
Actor Steve Guttenberg, best known for his role in the Police Academy film franchise, has called the fires “absolutely the worst” he has ever seen and has been doing what he can to help distressed residents.
Other stars to have lost their homes in the fires include Billy Crystal, Miles Teller, Diane Warren, Cary Elwes, Milo Ventimiglia, Anna Faris, Adam Brody and Leighton Meester, Spencer Pratt and Heidi Montag.
On Friday, the Recording Academy, which runs the Grammy Awards, and charity MusiCares pledged $1m (£813,000) to support music artists affected by the fires.
Actress Jamie Lee Curtis has pledged the same amount to fire relief efforts from her family foundation.