Goldman Sachs: Big Tech to spend $1.2 trillion on AI infrastructure by 2027
Goldman Sachs revised its Big Tech AI infrastructure forecast upward to $1.2 trillion by 2027 — a 50% year-over-year increase the bank compares to 19th-century railroad construction as a share of GDP.
- $1.2T in 2027 is roughly 50% above prior Wall Street consensus estimates
- Historical parallel: US railroad construction 1870-1890 consumed a similar fraction of GDP
- Spend covers data centers, chips, networking, and power — not model training alone