Germany's JUPITER becomes Europe's fastest supercomputer, ranks 4th worldwide

JUPITER at Julich hit 793 petaflops on the Top500 list published 10 June, ranking fourth worldwide and first in Europe, and topped the Green500 for efficiency. EuroHPC co-funds the system as a step toward Europe's first exascale machine.

Verified Editor-read The Register, 10 June 2025

What it does not test. It does not establish that JUPITER has yet reached full exascale performance, which needs around 207 more petaflops.

How this item counts. This item is dated before the index starts on 1 January 2026, so it does not count in the European Sovereignty Index.

How this item was made. Drafted by an AI system (Claude (Anthropic)) from the source cited above; read and approved by the editor on 2026-10-20. How the record is made

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