Vendors promise ROI "within 6 months." The real median is 18–36 months — if ever. Check yours with actual data.
Your numbers in, honest math out. No optimistic assumptions.
The multipliers come from RAND, S&P Global, Pertama Partners, and Gartner — independent research, not vendor-funded studies. We deliberately exclude vendor-supplied success rates.
| Milestone | Vendor Promise | Actual Median |
|---|---|---|
| Proof of concept | 2–4 weeks | 4–8 weeks |
| POC → Production | 2–3 months | 6–14 months |
| Full adoption | "Immediate" | 12–24 months |
| Positive ROI | "Within 6 months" | 18–36 months |
Before committing budget, run a free AI readiness audit: inventory your top 5 manual processes, assess data quality, and calculate the dollar value of improvement. If no single process justifies $50K+ in annual savings, use off-the-shelf SaaS tools — don't build custom AI.