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The new\u00a0JUPITER supercomputer<\/a>, inaugurated by Commissioner Zaharieva and German Chancellor Friedrich Merz at Forschungszentrum J\u00fclich in Germany, has officially become the first European system to achieve the exascale threshold \u2013 that is, performing more than one quintillion (10\u00b9\u2078) operations per second, a computing power level comparable to aggregating the computing capabilities of one million modern smartphones. With this milestone, Europe enters the global league of high\u2011performance computing.*<\/p>\n Officially ranked as Europe’s most powerful supercomputer and the fourth fastest worldwide, JUPITER combines unmatched performance with a strong focus on sustainability. The system runs entirely on renewable energy and features cutting-edge cooling and energy reuse, making it the world’s most energy-efficient supercomputer module, as confirmed by its number\u2011one position on\u00a0the Green500 ranking<\/a>.<\/p>\n With computing power exceeding one exaflop, JUPITER will transform science, innovation, and policymaking across Europe. Researchers will now be able to run climate and weather models at kilometre\u2011scale resolution, enabling much more precise forecasts of extreme events such as heatwaves, heavy storms, and floods.<\/p>\n JUPITER will support the development and deployment of AI solutions; its supercomputing capability will support the future AI Factory (JAIF)\u00a0announced in March 2025<\/a>, which will train cutting-edge large language models (LLMs) for generative AI and next\u2011generation digital technologies.<\/p>\n JUPITER represents a \u20ac500 million joint investment by the EU and Germany channelled through the EuroHPC Joint Undertaking. It is part of Europe’s wider strategy to develop a network of AI Gigafactories: large-scale, energy\u2011efficient computing hubs dedicated to training and deploying frontier AI models.<\/p>\n Background<\/p>\n The\u00a0European High Performance Computing Joint Undertaking (EuroHPC)<\/a>\u00a0has already selected 13 proposals to establish and operate AI Factories across Europe.<\/p>\n AI Factories will bring together the key ingredients that are needed for success in AI:\u00a0computing power, data, and talent. They will provide access to the massive computing power that start-ups, industry and researchers need to develop their AI models and systems. For example, European large language models or specialised vertical AI models focusing on specific sectors or domains.<\/p>\n On\u00a030 June 2025<\/a>, the Commission has also announced an overwhelming number of proposals to set up European AI Gigafactories, with 76 expressions of interest across 16 Member States.\u00a0<\/p>\n The AI Gigafactories concept builds on the AI Factories initiative, harnessing Europe’s cutting-edge EuroHPC supercomputing network to realise the EU’s ambition of becoming the world’s leading AI continent. AI Gigafactories will be state-of-the-art, large-scale AI compute and data storage hubs, purpose-built to develop, train, and deploy next-generation AI models and applications at hyperscale, e.g. models with hundreds of trillions of parameters. By integrating vast computing power, energy-efficient data centres, and AI-driven automation, these facilities will set new benchmarks for AI model training, inference, and deployment.<\/p>\n For More Information<\/p>\n European High Performance Computing Joint Undertaking (EuroHPC)<\/a><\/p>\n