IDC's ongoing tracker of global AI infrastructure spending has become a widely cited proxy for the pace of enterprise and hyperscaler investment in AI compute. The firm raised its full-year 2026 forecast to $497 billion, up roughly 56 percent year over year, citing sustained hyperscaler capital expenditure growth and rising demand for non-GPU AI accelerators.
IDC's analysts caution that spending figures from different research firms are frequently not directly comparable, since definitions of what counts as “AI spending” vary significantly between infrastructure-only measures and broader figures that include software and services - a distinction worth checking before citing any single headline number as definitive.