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Europe Inaugurates First Exascale-Class Supercomputer ‘Jupiter’ in Jülich

Backers describe the project as a step toward European AI self‑reliance with research and commercial access under EU oversight.

Ein Mitarbeiter arbeitet am Supercomputer „Jupiter“ im Forschungszentrum Jülich.
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Durch "Jupiter" erhofft sich die EU, im Rennen um die KI konkurrenzfähig zu bleiben. (Symbolbild)

Overview

  • Jupiter was officially opened on 5 September at Forschungszentrum Jülich and is now operating as Europe’s fastest publicly ranked system.
  • The active Booster module delivers about 793 petaFLOP/s on Linpack (No. 4 on the Top500) using roughly 24,000 Nvidia GH200‑based accelerators, and operators expect to exceed 1 exaFLOP/s once remaining components are fully brought online.
  • Engineers completed assembly and optimization over the summer, resolving cooling and network issues encountered during early full‑load tests.
  • A modular roadmap adds a CPU‑heavy Jupiter Cluster in 2026 and an AI‑oriented Jarvis module, while 33 selected early‑access projects are already running and companies can apply for commercial compute time under eligibility rules.
  • Funding totals about €500 million over six years split between the EU, the German federal government and NRW, and power demand averages roughly 11 MW with peaks near 20 MW, underscoring both energy needs and Europe’s wider compute capacity gap.