TMTPOST — Open-source AI infrastructure company OpenCSG has completed a Pre-A financing of several hundred million yuan, with its post-money valuation entering unicorn territory, the company said. The round was jointly participated in by Jing’an Capital, Shibei Hi-Tech, Xuhui Capital and Huanghai Financial Holding. Proceeds will be used to expand investment in open-source AI infrastructure, Agentic AI platforms, the global developer ecosystem and city-level AI infrastructure. Founded in 2023, OpenCSG provides a model-and-development-as-a-service platform aimed at lowering the barrier to building and deploying large models for enterprises and developers.