The JUPITER AI Factory, or JAIF for short, is built around first European exascale supercomputer, JUPITER, the fastest supercomputer in Europe. It connects the most powerful compute resources in Europe, a unique expertise in AI, domain-specific solutions from helthcare to manufacturing, a novel cutting-edge inference partition, and unmatched talent with real world problems from private sector, science and beyond. A particular focus is on supporting start-ups, small and medium-sized enterprises (SMEs), and industry as well as academia with a leading AI environment.