Early this morning, OpenAI's Chief Technology Officer Mira Murati officially announced a significant piece of news: she has decided to leave OpenAI. Mira, who has worked at the company for six and a half years, has experienced many ups and downs during her tenure, including a brief stint as interim CEO after Sam Altman was ousted. In her resignation letter, Mira expressed her gratitude for her past work. She particularly thanked Sam and Greg for their trust in her.