Press Release
Grand ceremony marks the launch of JUPITER
JUPITER was unveiled to the public today at Forschungszentrum Jülich in front of high-ranking guests from politics, science, and industry.
Europe’s First Supercomputer Reaches 1 ExaFLOP/s
17 November 2025
JUPITER at Forschungszentrum Jülich has become the first supercomputer in Europe to reach the milestone of 1 ExaFLOP/s – equivalent to one quintillion, or 1,000,000,000,000,000,000 computing operations per second. At the same time, JUPITER ranks as the fourth-fastest supercomputer in the world and the most energy-efficient system in the Exascale class, according to the TOP500 list of the world’s fastest supercomputers presented today at the Supercomputing Conference (SC25) in St. Louis. Not only does the system represent a technological milestone for Europe, it has also already contributed to outstanding scientific results during its early access phase.
Developed by the Jülich Supercomputing Centre (JSC) in collaboration with the EuroHPC Joint Undertaking (EuroHPC JU) and procured by EuroHPC JU, the system provides computing power previously available only in the United States and China, thereby strengthening Europe’s digital and scientific sovereignty.
At SC25, JUPITER received the HPCwire Readers’ Choice Award for 'Top Supercomputing Achievement'. In the Linpack benchmark, which determines the TOP500 ranking, JUPITER achieved a performance of 1 ExaFLOP/s in 64-bit precision — the level required for many scientific simulations. For 8-bit calculations, which are commonly used to train large AI models, the theoretical performance exceeds 40 ExaFLOP/s. At the heart of the system lies the JUPITER Booster, which is equipped with approximately 24,000 NVIDIA GH200 Grace Hopper Superchips supplied by Eviden.
Research for Society
JUPITER opens up new possibilities for training large AI models and performing scientific simulations with unprecedented complexity and detail in fields such as climate, energy, medicine and materials research. Its enormous computing power is expected to enable the prediction of extreme weather events, such as heavy rainfall or heatwaves, at previously unattainable spatial resolutions; accelerate the development of sustainable energy systems; and provide deeper insights into complex biological processes in proteins, cells and the brain, forming the basis for new therapies.
More than 100 national and international projects have already had access to JUPITER in the framework of the JUPITER Research and Early Access Programme and the AI Competition organised by the Gauss Centre for Supercomputing. Even in this early test phase, JUPITER has enabled remarkable scientific advances and set new simulation records. For instance, it has facilitated the first simulation of a universal quantum computer with 50 qubits and a global climate simulation of the entire Earth system with a spatial resolution of just one kilometre, both of which were previously considered unattainable.
A benchmark for efficiency and sustainability
JUPITER is hosted by the Jülich Supercomputing Centre (JSC) – one of the three national supercomputing centers that comprise the Gauss Centre for Supercomputing (GCS). Since the contract was signed in October 2023, JUPITER has been built in record time. Europe's first exascale computer was installed in less than two years – in a specially constructed innovative data centre, the Modular Data Centre.
With its highly efficient warm-water cooling system and the planned integration of waste heat into Forschungszentrum Jülich’s heating network, JUPITER is setting new standards for sustainable high-performance computing. According to the latest Green500 list, JUPITER is the world's most energy-efficient exascale system. In this way, JUPITER advances scientific research and serves as a model for climate-friendly data centres of the future.
JUPITER AI Factory
JUPITER also forms the core of the emerging JUPITER AI Factory (JAIF), a central pillar of Europe’s AI ecosystem. Through JAIF, JUPITER will soon be accessible to start-ups, SMEs, and industrial partners. A planned cloud platform will further extend the JUPITER infrastructure, providing fast and secure access to trained AI models for research and innovative applications.
Funding
JUPITER is funded jointly, with half of its funding being provided by the European High Performance Computing Joint Undertaking (EuroHPC JU), a quarter coming from the Federal Ministry of Research, Technology and Space (BMFTR, formerly BMBF), and a quarter from the Ministry of Culture and Science of the State of North Rhine-Westphalia (MKW NRW).
Video: JUPITER explained (3:37 min.)
Contacts
Prof. Dr. Dr. Thomas Lippert
Director of Jülich Supercomputing Centre Speaker of Helmholtz Information Program 1 PI in Topics 1 and 2 & Joint Lab SMHB
- Jülich Supercomputing Centre (JSC)
Building 16.3 /
Room R 360
Room R 360
+49 2461/61-6402
E-Mail
Prof. Dr. Kristel Michielsen
Director of Jülich Supercomputing Centre Head of the division HPC for Quantum Systems Head of the Jülich UNified Infrastructure for Quantum computing (JUNIQ) Speaker of Helmholtz Information Program 1 – Topic 1 PI in Topics 1 and 2
- Jülich Supercomputing Centre (JSC)
Building 16.3 /
Room R 340
Room R 340
+49 2461/61-2524
E-Mail
Benedikt von St. Vieth
Head of Division HPC, Cloud and Data Systems and Services PI in Helmholtz Information Program 1, Topic 2
- Jülich Supercomputing Centre (JSC)
Building 16.4 /
Room 209
Room 209
+49 2461/61-9401
E-Mail
Media contacts
Lisa Maiburg
Public Relations & Science Communication Officer
- Jülich Supercomputing Centre (JSC)
Building 16.3 /
Room 332
Room 332
+49 2461/61-9089
E-Mail
Further information
Last Modified: 17.11.2025