European Sovereignty Monitor

Compute and infrastructure

JUPITER becomes Europe's first exascale supercomputer, reaching 1 exaflop

JUPITER, hosted at the Julich Supercomputing Centre in Germany, officially reached 1 exaflop, Europe's first exascale system and the world's number four on the TOP500 list. It runs on about 24,000 Nvidia GH200 superchips and ranks as the most energy efficient exascale machine.

Verified Editor-read EuroHPC Joint Undertaking press release, 17 November 2025

What it does not test. Does not establish that the planned JUPITER AI Factory is yet operating at full capacity for external users.

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 2026-10-11. How the record is made

What the tags mean: VerifiedReportedAI-draftedAI-drafted, editor-readHuman-writtenWhat the tags mean

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