.OpenAI's Sora artificial intelligence tool makes it possible for individuals to produce AI-generated video clips coming from text-based inputs.Costfoto|Nurphoto|Getty ImagesOpenAI CFO Sarah Friar is actually looking to reassure its own clients that the highly valued artificial intelligence startup is actually still in a strong setting and also is actually positioned to shut a significant backing around soon, regardless of losing top talent this week.In an email to OpenAI's financiers found through CNBC, Friar attended to the parting of Main Modern technology Police Officer Mira Murati, who introduced her separation on Wednesday. Eventually that time, Sam Altman pointed out two leading investigation managers, Bob McGrew and also Barret Zoph, were actually also leaving behind." I wished to individually reach out complying with the updates of Mira's separation coming from OpenAI," Friar wrote in the letter, which was watched through CNBC. "While management adjustments are actually certainly never easy, I desire to guarantee you have the full context." Friar included that, "We are actually surprisingly proud of every little thing she is actually aided build," and claimed the San Francisco-based business still has a "proficient management bench" to compete.OpenAI, which is actually backed through Microsoft and also lately partnered along with Apple on its own artificial intelligence for iPhones, is in the midst of closing a $6.5 billion backing round, which must value the firm at around $150 billion, according to resources familiar with the concern. Flourish Financing is actually leading the around, as well as plans to invest $1 billion, according to sources.Friar said in the e-mail that the funding round was actually oversubscribed as well as would nearby next week. She pointed out the group considers to throw a collection of telephone calls along with capitalists to present the group to key innovators coming from product and analysis crews." Jointly, we stay laser-focused on taking AI to everybody and building maintainable earnings styles that feed our procedures and supply worth to our capitalists and also workers," Friar created. The company is "delighted for you to become along with our team as our experts enter our upcoming chapter," she wrote.OpenAI dropped to talk about the email.Murati's shift follows 6 and a half years at the company. She briefly served as acting CEO in 2015 after the board of supervisors quickly fired Altman. When Altman was actually swiftly reinstated, Murati came back to the function of CTO.Sarah Friar has actually been actually called OpenAI CFOAnjali Sundaram|CNBCThe business was already managing the reduction of vital execs. Co-founder John Schulman and also safety and security principal Jan Leike left to join competing Anthropic. Founder Ilya Sutskever delegated begin another AI firm, while another creator, Greg Brockman, gets on a leave of absence of absence.Friar mentioned Mark Chen will certainly enter the duty of of senior vice head of state of analysis, and also forerunners like Kevin Weil, that participated in from Meta, and also Srinivas Narayanan are actually the "correct folks to maintain pushing the perimeters of development." Friar was actually in the past CEO of Nextdoor, and also prior to that CFO at Block, in the past Square.Also on Thursday, at an all-hands meeting, Altman refuted that there are think about him to receive a "giant equity concern" in the business, calling records of such an advancement "just not correct," according to a person who remained in attendance.Altman and Friar both stated at the appointment, conducted by online video, that entrepreneurs have actually increased concerns about Altman not having equity in the business that he co-founded practically nine years ago, mentioned the person, that inquired not to be named considering that the gathering was merely for employees.WATCH: Sam Altman's best representants leave.