Three top OpenAI executives departed Friday, the latest in a string of high-level exits that signal the company’s sharp turn toward enterprise sales and away from experimental projects. Kevin Weil, who led scientific research after stints as chief product officer, announced his exit on LinkedIn as OpenAI for Science decentralized into broader research teams. Bill Peebles, head of the AI video app Sora, left after OpenAI shuttered the tool last month over compute costs. Srinivas Narayanan, CTO for B2B applications, cited family time. Business Insider first reported the moves, tying them to a broader refocus under applications CEO Fidji Simo—who herself is on medical leave. Weil’s tenure bridged product and research. He’d overseen Prism, an AI workspace for scientists now folding into Codex, OpenAI’s developer assistant. ‘Today is my last day at OpenAI, as OpenAI for Science is being decentralized into other research teams,’ Weil posted.…