Flow Engineering raises $50M at $750M valuation

Flow Engineering, a San Francisco-based AI startup focused on hardware design, has raised a $50 million Series B round at a $750 million valuation. The round was co-led by Valar Equity Partners and Atreides Management, with participation from Sequoia Capital and former Sequoia partner Roelof Botha, who also joined Flow's board. The three-year-old company offers AI agents that align CAD drawings with product requirements, simulation results, and testing data. Its customers include Anduril, Rivian, Joby Aviation, General Motors PPU, RV Tech, and Stoke Space.