Xtreme-D

XTREME-D, Inc. is a Japanese startup established in 2015 and headquartered in Shinagawa, Tokyo, offering a cloud-based supercomputing-on-demand service. Originally launched under the brand XTREME DNA, the company makes HPC cloud access easy, fast, efficient, and economical for researchers and enterprises. XTREME-D's flagship platform, Raplase, delivers AI and HPC infrastructure as a subscription service covering cloud foundation, operations management, user interface, and support in a single package. The platform supports multi-cloud environments and on-premise GPU server housing, enabling customers to run large-scale simulations, AI/LLM development, and real-time inference workloads without dedicated in-house infrastructure engineers.