SiPearl Email Format
Semiconductor ManufacturingÎle-de-france, France51-200 Employees
SiPearl is a European fabless semiconductor designer focused on sovereign, high-performance, energy-efficient CPUs for supercomputing, AI, and data centers. Its products target strategic challenges in security, defence, medical research, energy, climate, and engineering while aiming to reduce environmental impact. The company has disclosed that its Rhea1 processor—a very large-scale CPU designed for exascale workloads—is in production at TSMC to equip Europe’s Jupiter supercomputer, with Rhea2 and Athena1 planned for future platforms. Based in Maisons-laffitte, Île-de-France, France, SiPearl operates as a European fabless designer with development activity in France, Spain, and Italy. In May 2026, SiPearl announced a strategic partnership with Semidynamics to develop a European rack-scale AI compute platform for large-scale AI inference in the cloud.