Big Tech AI Capex Hits $725B as BIS Warns of Risk

• BIS warns surging AI infrastructure investment by tech giants may be unsustainable, citing mounting debt and sector-wide risks.
• Analysts predict upcoming earnings will reveal whether massive spending delivers justified returns.

Major technology firms’ record spending on AI infrastructure is facing mounting scrutiny after the Bank for International Settlements (BIS) flagged unsustainable capital expenditures and sector risks. According to Fortune and Axios, BIS reported that hyperscalers now outpace earnings and free cash flow, with debt-financed investment projected to exceed $1 trillion in 2025–26. BIS cautioned that if returns fall short, a “protracted investment bust” could trigger sharper consumer pullbacks and more pronounced wealth effects than previous tech booms.

As Tether CEO Paolo Ardoino noted to Semafor, the rapid depreciation of AI hardware—typically within three to five years—poses a significant vulnerability, especially as cloud providers continue subsidizing computing costs to boost user adoption without clear near-term gains. IDC forecasts that by 2028, 70% of leading AI adopters will diversify their model stacks, fueling intense price competition and uncertainty around profitability.

Recent SEC and corporate filings highlight the massive scale and acceleration of AI-related capital spending. Gizmodo reported Oracle’s AI capex reached $55.7 billion in fiscal 2026, more than double the previous year, with company guidance for $90–95 billion in 2027. The Motley Fool stated that Meta, Microsoft, Amazon, and Alphabet will collectively spend $725 billion in 2026, a 77% jump from 2025. Despite record spending, the Bureau of Economic Analysis indicates sector growth has slowed to 1.5% in Q1 2026 from 3.2% in Q3 2025.

Industry analysts remain divided on whether these investments will pay off. Wedbush’s Dan Ives asserts the AI arms race is inevitable among tech giants and anticipates improved cash flow within a year. Conversely, Thomas Hayes of Great Hill Capital expects potential capex cutbacks in upcoming earnings, as companies face their first major test to justify current spending levels.

Oracle and BIS both flagged operational and financial risks, including construction delays, hardware shortages, rising customer credit exposure, and intensifying regulatory scrutiny. TechSpot cited Columbia University’s Stijn Van Nieuwerburgh estimating AI infrastructure spending could reach $8 trillion by 2032, adding pressure on semiconductor, memory, and component supply chains and fueling broader inflation concerns.

Financial regulators, analysts, and industry executives are closely monitoring the sustainability of Big Tech’s record AI infrastructure spending, as mounting debt-driven investment, rapid hardware obsolescence, and uncertain returns emerge as key risks. If upcoming earnings disappoint, sector-wide investment pullbacks and broader economic effects may follow.

As of July 4, 2026, 16:09 UTC, Tether USDt (USDT) is trading at $0.999, with a 0.003% change in 24-hour volume, according to CoinMarketCap.