HubSpot analysis highlights budget risks as credit-based AI adoption expands
HUBS•HubSpot's analysis says AI spending rises nearly fourfold from isolated deployments to enterprise adoption, while 93% of enterprise respondents in a 2026 survey exceeded their AI budgets. It recommends monthly planning buffers of 15%-25% above base-case estimates.
1. AI spending risks
HubSpot's analysis, updated Oct. 26, 2026, warns that credit-based AI costs rise sharply as adoption expands. McKinsey research cited in the analysis found spending rises nearly fourfold from isolated deployments to enterprise adoption; a 2026 survey found 93% of enterprise respondents exceeded AI budgets, while only 20%-25% of companies had mature spending-management practices.
2. Returns and budgeting
Most executives surveyed by Deloitte in 2025 reported satisfactory AI returns within two to four years, while 6% achieved payback within a year. The analysis recommends tying budget increases to improving cost per outcome and setting monthly planning buffers of 15%-25% above base-case estimates.




