.OpenAI's Sora artificial intelligence device enables consumers to develop AI-generated online videos coming from text-based inputs.Costfoto|Nurphoto|Getty ImagesOpenAI CFO Sarah Friar is aiming to comfort its clients that the richly valued artificial intelligence start-up is still in a solid position as well as is actually poised to shut a big financing around very soon, in spite of losing top talent this week.In an e-mail to OpenAI's capitalists viewed by CNBC, Friar dealt with the departure of Principal Technology Policeman Mira Murati, who declared her separation on Wednesday. Eventually that time, Sam Altman said 2 leading research study executives, Bob McGrew and Barret Zoph, were actually likewise leaving." I would like to individually communicate following the headlines of Mira's retirement from OpenAI," Friar wrote in the letter, which was actually seen through CNBC. "While leadership changes are actually never ever easy, I want to guarantee you have the complete situation." Friar incorporated that, "Our team are extremely proud of everything she is actually aided create," and also said the San Francisco-based firm still has a "talented leadership seat" to compete.OpenAI, which is actually backed by Microsoft and also recently partnered with Apple on its artificial intelligence for iPhones, is in the midst of shutting a $6.5 billion financing around, which must value the firm at roughly $150 billion, depending on to resources accustomed to the matter. Prosper Capital is leading the around, and plans to put in $1 billion, according to sources.Friar stated in the e-mail that the financing round was oversubscribed and would nearby upcoming week. She said the group considers to host a set of telephone calls with real estate investors to offer the team to vital forerunners coming from product and also analysis crews." Jointly, our experts continue to be laser-focused on carrying artificial intelligence to every person and also building lasting income models that fuel our procedures as well as supply market value to our real estate investors and employees," Friar wrote. The company is "excited for you to be along with us as our company enter our next chapter," she wrote.OpenAI decreased to talk about the email.Murati's departure comes after 6 and an one-half years at the provider. She for a while served as interim chief executive officer in 2014 after the board of directors abruptly fired up Altman. When Altman was quickly renewed, Murati came back to the part of CTO.Sarah Friar has actually been named OpenAI CFOAnjali Sundaram|CNBCThe business was already taking care of the loss of essential execs. Founder John Schulman and also safety and security principal Jan Leike delegated to participate in rival Anthropic. Founder Ilya Sutskever delegated to begin another artificial intelligence firm, while another founder, Greg Brockman, performs a leave of absence of absence.Friar pointed out Mark Chen will definitely enter the role of of senior bad habit president of research study, as well as leaders like Kevin Weil, that signed up with from Meta, and Srinivas Narayanan are the "best folks to always keep pushing the borders of technology." Friar was previously chief executive officer of Nextdoor, as well as just before that CFO at Block, formerly Square.Also on Thursday, at an all-hands appointment, Altman rejected that there are actually think about him to receive a "big equity stake" in the firm, contacting documents of such a development "just not correct," according to a person that resided in attendance.Altman as well as Friar both claimed at the conference, carried out by video, that financiers have elevated worries regarding Altman certainly not possessing equity in the business that he co-founded practically nine years back, claimed the person, that asked not to become named due to the fact that the gathering was only for employees.WATCH: Sam Altman's leading representants depart.