Europe's First Exascale Supercomputer, JUPITER, Goes Live

The NVIDIA-powered JUPITER is set to accelerate critical research in climate, AI, and neuroscience.

Europe has officially launched its first exascale supercomputer, JUPITER, at the Jülich Supercomputing Centre. Powered by NVIDIA Grace Hopper, this system promises to dramatically boost research in areas like climate modeling, neuroscience, and quantum simulation, offering unprecedented computational power.

Mark Ellison

By Mark Ellison

September 21, 2025

4 min read

Europe's First Exascale Supercomputer, JUPITER, Goes Live

Key Facts

  • JUPITER is Europe’s first exascale supercomputer.
  • It is powered by the NVIDIA Grace Hopper platform.
  • JUPITER can perform 1 quintillion FP64 operations per second.
  • It is expected to offer up to 90 exaflops of AI performance.
  • The supercomputer will accelerate research in climate, neuroscience, and quantum simulation.

Why You Care

Ever wonder what it would take to truly understand climate change or cure neurological diseases? What if a machine could process data at speeds previously unimaginable? Europe just switched on its first exascale supercomputer, JUPITER, and it’s poised to redefine what’s possible in scientific research. This isn’t just about big numbers; it’s about solving some of humanity’s biggest challenges. Your future could be directly impacted by the discoveries this machine enables.

What Actually Happened

Europe’s first exascale supercomputer, JUPITER, is now officially live, according to the announcement. The inauguration ceremony took place in Jülich, Germany. This new system is located at the Jülich Supercomputing Centre. It is powered by the NVIDIA Grace Hopper system, as mentioned in the release. JUPITER is designed to accelerate applications across various scientific fields. These fields include climate research, neuroscience, and quantum simulation.

The supercomputer is based on Eviden’s BullSequana XH3000 liquid-cooled architecture, the technical report explains. It can perform 1 quintillion FP64 operations per second. What’s more, it is expected to deliver up to 90 exaflops of AI performance. This makes it more than double the speed of Europe’s next-fastest system for computing and AI workloads, the company reports.

Why This Matters to You

This new supercomputer isn’t just for scientists in labs; its impact will filter down to you. Imagine more accurate weather forecasts that could save lives. Think of it as a giant brain capable of crunching data faster than ever before. This speed means quicker discoveries in medicine and environmental science. How might a faster path to new medicines change your life or the lives of those you care about?

JUPITER’s capabilities mean faster progress in several key areas:

Research AreaPotential Impact for You
Climate ModelingMore precise predictions of extreme weather events
NeuroscienceFaster creation of treatments for brain disorders
Quantum SimulationNew materials for everyday products, improved energy
AI WorkloadsSmarter technologies, more efficient services

Thomas Lippert, director of the Jülich Supercomputing Centre, emphasized the system’s significance. He stated, “JUPITER marks the culmination of more than a decade of research and creation. As the world’s most and versatile exascale system, it represents a unique creation, opening up completely new possibilities for science and industry in Europe.” This means your industries and daily life could see direct benefits from this system.

The Surprising Finding

Here’s a twist: JUPITER isn’t just about raw speed; it’s about versatility. While many supercomputers specialize, JUPITER fuses computing (HPC) and artificial intelligence (AI) into a single architecture. This is surprising because often these two computing paradigms are treated separately. The system delivers more than double the speed for both HPC and AI workloads compared with other European systems, the research shows. This integrated approach allows for more complex and interconnected simulations. It challenges the assumption that you need separate systems for different types of computing tasks.

Jensen Huang, founder and CEO of NVIDIA, highlighted this integration. He noted, “JUPITER fuses computing and AI into a single architecture. A system for scientific computing, it will accelerate breakthroughs across every domain.” This unified design means researchers can tackle problems that require both intense number-crunching and intelligent data analysis simultaneously. This could lead to faster, more holistic solutions.

What Happens Next

With JUPITER now operational, we can expect to see initial research findings emerge within the next 12-18 months. For example, climate scientists might soon produce higher-resolution climate models. These models could predict regional weather patterns with accuracy. The industry implications are vast, ranging from materials design to more efficient renewable energy systems. This could lead to new products and services available to you.

Researchers will begin leveraging JUPITER’s capabilities to create digital twins. These digital twins can simulate complex systems like cities or even the human brain. The team revealed that this will accelerate breakthroughs across every domain. Our actionable advice for you is to keep an eye on announcements from European research institutions. They will likely be sharing their initial discoveries powered by this machine. Germany Chancellor Friedrich Merz also highlighted how the supercomputer is driving national advancement and industrial creation, as mentioned in the release.

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