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The Jupiter supercomputer, capable of at least one quintillion calculations per second with 24,000 Nvidia

European High-Performance Computing Joint Undertaking — The Jupiter supercomputer, capable of at least one quintillion calculations per second with 24,000 Nvidia chips, is inaugurated in Jülich, North Rhine-Westphalia, Germany, marking

Published September 5, 2025· Updated October 28, 2026·1 min read

Context: European High-Performance Computing Joint Undertaking.

The Jupiter supercomputer, capable of at least one quintillion calculations per second with 24,000 Nvidia chips, is inaugurated in Jülich, North Rhine-Westphalia, Germany, marking Europe's first system considered internationally competitive in training artificial intelligence models. On a partial system test, Jupiter has achieved a preliminary 793.4 Petaflop/s, placing it 4th in the Top 500 behind El Capitan, Frontier, and Aurora at the US Department of Energy. [https://www.france24.com/en/live-news/20250905-merz-inaugurates-supercomputer-says-europe-can-catch-up-in-ai-race (AFP via France 24)] [https://top500.org/lists/top500/2025/06/ (Top 500)]

Event summary via Wikipedia Current Events (2025-09-05).