Commercial company behind SGLang, an open-source AI inference optimization tool born at UC Berkeley, used by xAI and Cursor.
Founders
Ying Sheng(China · ♀)— A creator of the open-source SGLang inference engine and former xAI/Databricks researcher who spun the project out as RadixArk in 2025 to commercialize fast, low-cost LLM inference.
Banghua Zhu(China · ♂)— An AI systems researcher and SGLang contributor with NVIDIA experience who co-founded RadixArk to scale the inference framework into infrastructure for frontier AI.
In the network
Shares the most investors with (number = shared investors):