The financial return on AI search optimization investment, measured as pipeline (or revenue) generated divided by AEO program cost.
AI Search ROI (or AEO ROI) quantifies the return on AEO investment in dollar terms. The numerator is pipeline or closed-won revenue attributable to AI citations and AI-referred traffic over a given period. The denominator is total AEO investment in the same period (tools, agency fees, content, allocated team time). The result is a multiplier or percentage. AI Search ROI is the primary metric CMOs use to defend AEO budget to CFOs and boards.
Without an AI Search ROI number, AEO is a brand-building activity that's hard to defend. With a credible AI Search ROI number, AEO becomes a budget line the CFO can model alongside paid ads, content, and other marketing investments.
A B2B SaaS company spent $40K on AEO in Q1 (Profound subscription, agency content fees, internal allocation). Lantern's pipeline attribution shows $245K in AEO-attributed pipeline closed-won in Q1. AI Search ROI = 6.1×. The CMO presents this number to the board as evidence of AEO program value.
The terms in this glossary aren't theoretical — they're what Lantern's product calculates and reports every month for B2B SaaS teams. See yours in 7 days. 14-day free trial.
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