The conclusion of an investigation into the chaotic firing of Sam Altman from OpenAI greater than three months in the past represented a convincing victory for the high-profile chief govt as he strikes to reassert management of the synthetic intelligence firm he helped to create.

OpenAI, in a information convention on Friday, mentioned that Mr. Altman, who returned to OpenAI simply 5 days after he was pushed out in November, didn’t do something that justified his removing and would regain the one function on the firm that also eluded him: a seat on the corporate’s board of administrators.

Mr. Altman’s ouster surprised Silicon Valley and imperiled the way forward for one of many tech business’s most influential start-ups. It additionally referred to as into query whether or not OpenAI — with or with out Mr. Altman in cost — was prepared to hold the banner for the tech business’s rabid give attention to synthetic intelligence.

When he returned to OpenAI in November, Mr. Altman didn’t regain his board seat whereas agreeing to an investigation of his conduct and the board’s actions. Two members who voted for his removing agreed to step down; their replacements, from exterior the corporate, oversaw the investigation by the legislation agency, WilmerHale. Bret Taylor, chairman of OpenAI’s board, mentioned in the course of the information convention that the extremely anticipated report concerning the episode was completed, however the firm didn’t launch the report.

The corporate mentioned that the legislation agency’s report discovered that OpenAI’s board acted inside its broad discretion to terminate Mr. Altman, but in addition discovered that his conduct didn’t mandate removing.

“The particular committee beneficial and the complete board expressed their full confidence in Mr. Altman and Mr. Brockman,” Mr. Taylor mentioned, referring to Greg Brockman, the corporate president who stop in protest after Mr. Altman was eliminated. “We’re excited and unanimous in our help for Sam and Greg.”

OpenAI additionally moved to deal with issues a few lack of range on the board by including three girls as administrators: Sue Desmond-Hellmann, the previous chief govt of the Invoice & Melinda Gates Basis; Nicole Seligman, the previous normal counsel of Sony; and Fidji Simo, the chief govt of Instacart.

Mr. Taylor, who was one of many replacements named to OpenAI’s board in November, mentioned the board would proceed to increase.

With the report and the additions to the board, OpenAI’s management hoped to maneuver previous the controversy of Mr. Altman’s ouster. The incident raised myriad questions on his management and the San Francisco firm’s uncommon construction — a nonprofit board that oversees a for-profit firm.

However as a result of it has not launched the report, OpenAI has left many questions unanswered concerning the firm. Some insiders have requested whether or not Mr. Altman had an excessive amount of management over how the investigation was dealt with.

“As we instructed the investigators, deception, manipulation, and resistance to thorough oversight ought to be unacceptable,” Helen Toner and Tasha McCauley, the 2 OpenAI board members who left late final 12 months, mentioned in a press release. “We hope the brand new board does its job in governing OpenAI and holding it accountable to the mission.”

Mr. Taylor appeared alongside Mr. Altman on the information convention on Friday. After saying the brand new board members, he mentioned the evaluate discovered that the earlier board acted in good religion in eradicating Mr. Altman however didn’t anticipate the challenges that will come up from his dismissal.

“The evaluate decided the board’s determination didn’t come up from concern concerning product security or safety,” Mr. Taylor mentioned. “It was merely a breakdown in belief between the board and Mr. Altman.”

After Mr. Taylor accomplished his ready remarks, Mr. Altman praised the resilience of the corporate and its companions throughout and after his removing. “I’m happy this entire factor is over,” he mentioned.

OpenAI offered a six-paragraph abstract of the report. It mentioned that WilmerHale reviewed 30,000 paperwork and carried out dozens of interviews, together with with OpenAI’s earlier board members.

It discovered that the earlier board was correct in its rationale and public clarification for firing Mr. Altman for not being “constantly candid in his communications with the board.” It additionally mentioned that the board didn’t anticipate that its motion would destabilize the corporate.

The corporate mentioned that WilmerHale gave oral briefings on the report, which won’t be publicly launched, to Mr. Taylor and Lawrence H. Summers, the previous Treasury secretary who was additionally added to the board in November.

Mr. Taylor mentioned OpenAI had made a number of modifications meant to enhance the way in which the corporate was run, together with new governance pointers for the board, a brand new battle of curiosity coverage and a whistle-blower hotline.

OpenAI’s abstract of the report didn’t present perception into the issues that the corporate’s senior leaders dropped at the earlier board about Mr. Altman. Earlier than his dismissal, Ilya Sutskever, OpenAI’s chief scientist, and Mira Murati, OpenAI’s chief know-how officer, expressed worries about Mr. Altman’s administration model, together with what was characterised as his historical past of manipulative conduct, The New York Instances has reported.

Dr. Sutskever, by way of a lawyer, has referred to as these claims “false.” Ms. Murati mentioned in a company Slack post on Thursday that she shared the identical suggestions with the board that she had offered on to Mr. Altman, however mentioned she by no means reached out to the board to share these issues.

“I’m pleased that the unbiased evaluate has concluded and we are able to all transfer ahead united,” Ms. Murati mentioned on Friday in a put up on X, previously referred to as Twitter.

OpenAI continues to be being investigated by the Securities and Alternate Fee over the board’s actions and the likelihood that Mr. Altman misled traders. Firms that rent exterior legislation companies typically flip over the report back to public investigators after completion. A spokeswoman for OpenAI’s board declined to say whether or not it will present the report back to the S.E.C.

(The New York Instances sued OpenAI and Microsoft in December for copyright infringement of stories content material associated to A.I. methods.)

OpenAI, which was valued at greater than $80 billion in its newest financing spherical, sits on the forefront of generative A.I., applied sciences that may generate textual content, photographs and sounds. Many consider that generative A.I. may remodel the know-how business as totally as the online browser did about three a long time in the past. Others fear that the know-how may trigger severe hurt, serving to to unfold on-line disinformation, changing numerous jobs and perhaps even threatening the way forward for humanity.

After OpenAI launched the net chatbot ChatGPT in late 2022, Mr. Altman turned the face of the business’s push towards generative A.I. A couple of 12 months later, the board unexpectedly dismissed him, saying it not had confidence in his means to run the corporate.

The board had shrunk to 6 individuals: three founders and three unbiased members. Together with the three outsiders, Dr. Sutskever, certainly one of OpenAI’s founders, voted to take away Mr. Altman as chief govt and chairman of the board, saying with out offering specifics that he had not been “constantly candid in his communications.”

Mr. Brockman, one other founder, resigned from the corporate in protest. Days later, Dr. Sutskever mentioned he regretted his determination to take away Mr. Altman and successfully stepped down from the board, leaving three unbiased members standing in opposition to Mr. Altman.

OpenAI was based as a nonprofit in 2015, earlier than Mr. Altman created a for-profit subsidiary three years later and raised $1 billion from Microsoft. The board of the nonprofit, whose said mission was to construct A.I. for the good thing about humanity, maintained full management over the brand new subsidiary. Buyers, together with Microsoft, had no authorized say in who ran the corporate.

In an effort to resolve the turmoil and return Mr. Altman to the corporate, he and the board agreed to exchange two members with Mr. Taylor, who’s a former Salesforce govt. However Mr. Altman was not reinstated to the board. Mr. Taylor and Mr. Summers have been charged with overseeing the investigation into Mr. Altman and his dismissal.

Microsoft, a detailed associate of OpenAI, has a board observer place, which is stuffed by Dee Templeton, the corporate’s vp, know-how and analysis partnerships. Microsoft declined on Friday to touch upon the board and report.

The brand new board confronted criticism from company governance specialists due to its lack of range. Mr. Taylor instructed The Instances in November that he would fill out the board by including “certified, various candidates” who embodied “the fullness of what this mission represents, which goes to span know-how, A.I. security coverage.”

Karen Weise contributed reporting.