Milan AI firm Domyn raises $1.1 bn, 90% debt, to build Italy’s Colosseum supercomputer

Key Points

• Domyn raised over $1.1 billion, with about 10% equity and 90% debt.
• Funding will build the Colosseum supercomputer in southern Italy.
• Colosseum will host 80 Nvidia GB200 NVL72 racks and ~6,000 Grace Blackwell chips.
• The system is rated at 115 exaflops and designed for models over a trillion parameters.
• Domyn targets regulated sectors that prefer owning AI models, not renting cloud access.
• Two models are already in customers’ hands; performance claims against GPT‑4o and Claude 3.5 Sonnet are self‑reported.
• Company aims to invest $10 billion and hit €1 billion revenue within three years.
• Financing mirrors a broader European trend of debt‑backed AI hardware builds.