Paris-based Arlequin AI raised €28M (~$30.2M) in Series A funding co-led by redalpine and OTB Ventures, with participation from Bpifrance's Defence Innovation Fund and Xavier Niel, while existing investors Vsquared Ventures and 10x Founders increased their stakes following the company's 2024 founding by Hugo Micheron and Antoine Jardin. The company did not disclose revenue, client count, pipeline or employee numbers, but said its platform for analyzing relationships across documents, transactions, video and operational data using its proprietary topological neural network architecture is already used by governments and large organizations across Western and Eastern Europe. The capital will be used to expand the international team developing and training its models and to support commercial deployment in Europe and internationally, building on newly opened offices in London and Berlin and a planned AI lab in Silicon Valley.