Sam Altman was reinstated late Tuesday as OpenAI’s chief executive, the company said, successfully reversing his ouster by OpenAI’s board last week after a campaign waged by his allies, employees and investors.

The company’s board of directors will be overhauled, jettisoning several members who had opposed Mr. Altman. Adam D’Angelo, the chief executive of Quora, will be the only holdover. …

The return of Mr. Altman and Greg Brockman, the company’s president who had resigned in solidarity, and the remaking of the board, capped a frenetic five days that upended OpenAI, the maker of the ChatGPT chatbot and one of the world’s highest-profile artificial intelligence companies.

[Jazz will have more on this later, but let this be a lesson to corporate politicians. You’d better make sure you can stick the landing on these kinds of power plays, or don’t attempt them in the first place. — Ed]