🧠 SiPearl to Power EU’s Jupiter Supercomputer with Advanced AI Chips

9 July 2025

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🧠 SiPearl to Power EU’s Jupiter Supercomputer with Advanced AI Chips SiPearl, a French AI chipmaker, is set to industrialize its Rhea1 processor to power Europe’s Jupiter supercomputer—marking a leap

🧠 SiPearl to Power EU’s Jupiter Supercomputer with Advanced AI Chips

SiPearl, a French AI chipmaker, is set to industrialize its Rhea1 processor to power Europe’s Jupiter supercomputer—marking a leap forward in sovereign high-performance computing.

  • Rhea1 features 80 ARM-based cores and 61+ billion transistors
  • Built for high-performance computing and AI workloads
  • Produced in collaboration with TSMC for advanced scale
  • Key to EU’s plan to reduce reliance on U.S. and Asian chipmakers
  • Will power Jupiter, Europe’s exascale supercomputer based in Germany
  • Backed by the European Processor Initiative since 2019
  • Backed by investors including Cathay Venture, Arm, Atos SE, and the EIC
  • Series B planned between 2026–2028 to support further growth
  • Operating with a 200-person team across France, Spain, and Italy

With Rhea1 set for mass production, SiPearl is accelerating Europe’s push for AI-driven research, energy breakthroughs, and digital sovereignty.

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