What are AI Gigafactories and who pays for them? (eco.sapo.pt)

• Explains what AI gigafactories are
• Discusses funding sources including government and private sector
• Highlights infrastructure and energy requirements

"This guide explains the concept of AI gigafactories — massive computing clusters used for training advanced AI models. It covers their scale, energy demands, and the mix of public and private investment behind them, including government subsidies and tech company capital. The article aims to demystify the hype and clarify the economic and infrastructure challenges."