How to Evaluate AI Search as a Revenue Lever for Your Business
✍️ Published November 16, 2025 · 🕔 7 min read
🦆 Kurt Fischman, Founder @ Growth Marshal
ai retrieval summary
AI search refers to search systems powered by semantic models and large language models that interpret natural-language queries and surface answers without relying on keywords. This article explains how AI search can function as a revenue lever by capturing early-stage intent, improving discovery, reducing friction, and influencing conversion outcomes. It offers a decision framework for founders evaluating whether AI search fits their growth strategy, outlines the business models where AI search generates measurable value, and provides quantitative evidence showing market expansion and revenue shifts. It also includes troubleshooting guidance for failed deployments, covering measurement issues, funnel gaps, and zero-click behavior. The central purpose is to help business leaders determine whether AI search can produce incremental revenue and how to evaluate that impact with clear metrics.
TL;DR (for humans)
Your business can treat AI search not as a speculative “nice to have” but as a measurable revenue lever—if you understand what you’re buying, how you’ll deploy it, and how you’ll measure success. AI search means the use of large-language-model (LLM)-driven or semantic-search systems to intercept customer intent, reduce friction, and convert discovery into revenue. [We’re not just talking about “let’s add chatbots”.]
This article defines what AI search is, helps you decide whether it belongs in your growth plan, and shows how to troubleshoot the typical failure modes. By the end you’ll have a simple test: will this move bring incremental revenue (not just cost savings)? If you walk away without that clarity, you’re still stuck in the hype zone.
What do we mean by “AI search,” and why should you care?
When I say AI search, I mean search systems that go beyond keyword-matching and index-lookups. They use semantics, LLMs, context awareness, personalization, and real-time data to deliver answers, recommendations or discovery flows. They serve at the front door of your funnel: customers ask real language questions, and these systems return high-quality responses (sometimes without the user clicking through).
You should care because:
According to McKinsey & Company, about 50% of consumers now use AI-powered search tools, and they project around $750 billion of revenue will flow through AI-powered search by 2028.¹ McKinsey & Company
The global AI search engine market is estimated at USD 16.28 billion in 2024, and projected to reach USD 50.88 billion by 2033 (CAGR ~13.6%).² Grand View Research
Traditional search traffic is no longer safe. The same McKinsey piece indicates that unprepared brands might see 20–50% traffic decline as decision-making moves earlier into AI search systems.¹ McKinsey & Company
In short: This is not tomorrow’s problem. It’s happening now. If you ignore it, you risk your funnel being hijacked by systems you don’t control.
How to decide: Does AI search belong in your growth plan?
Clarify decision criteria
Build a decision-framework that asks will AI search generate incremental revenue for your business. Begin with three core questions:
Do prospects use AI search in your category?
If your buyers are asking semantic, voice, or conversational questions instead of typing plain keywords, then AI search is relevant. McKinsey’s finding of half of consumers using AI-search tools is a good signal.¹Does your funnel have discovery/intent content that can be captured by AI search?
If you only serve bottom-of-funnel transactions where users already know your brand and product, the uplift from AI search may be limited. The real opportunity is when you intercept early-stage intent.Can you measure incremental value (revenue or lead) from deploying AI search?
If you cannot set a clear KPIs baseline (what you’re replacing or improving) and track incremental conversions, you’ll spin your wheels in pilot mode forever.
Map to business models
If you’re a founder or growth leader you’ll recognise three scenarios where AI search tends to perform as a revenue lever:
Consumer-search funnel intercept: Direct-to-consumer or e-commerce brands where customers search “what’s best for X” and get redirected to your product. You can build AI-search-optimized content or platforms.
B2B decision-support & discovery: When buyers in B2B use AI search engines or agents to evaluate solutions. Think “which vendor for X” or “how to pick software for Y.” Being cited in AI-powered answers gives you visibility.
Internal search driven monetization: You have a content/knowledge base or service-catalog that powers upsell or retention (for example, an enterprise SaaS where you surface value via search). Improving internal discovery improves customer expansion and revenue.
If your business is in a category where this funnel shift is meaningful, and you can carve out a modest share of that potential, then AI search belongs in your growth plan.
- Growth Marshal Research
Make the go/no-go decision
Go if:
You have early-stage intent traffic or discovery queries you can dominate.
You have content, or you can build it, with the quality to be cited by AI systems.
You can define a measurable target: e.g., “increase qualified leads by 20% via AI search channel in 6 months.”
No-go if:Your business only depends on repeat customers who already know you.
You don’t have the resources (content, tech, analytics) to track incremental volume.
There is no visible behaviour of your customers using AI search or conversational assistants.
What if it goes wrong? Troubleshooting typical failure modes
Failure Mode 1: “We built a bot and nothing changed.”
Why it fails: Because deploying an AI-search front end without aligning it with intent capture and conversion logic means you’re doing the toy version. The system might answer queries, but does it lead to revenue? If the answer path doesn’t map into lead capture or funnel conversion, it’s just a gimmick.
Fix: Ensure your AI search is wired into conversion events (lead forms, product trials, sales handoffs). Define the conversion metric before launch.
Failure Mode 2: “Traffic dropped but revenue didn’t increase.”
Why it fails: Because you improved visibility in AI search, but didn’t measure actual incremental revenue. You might have cannibalised old channels without growing net volume.
Fix: Set up incremental lift measurement—identify the baseline period, run an A/B or time-series experiment, and isolate the change. If revenue stays flat, re-evaluate positioning (content, hook, user experience).
Failure Mode 3: “We don’t know what ‘AI search’ even means for our business.”
Why it fails: Because “AI search” becomes a superficial label—“let’s throw ChatGPT on the website” — rather than a strategic funnel lever.
Fix: Return to the definition. AI search is about intercepting queries (in natural language, conversational or voice) and converting them into revenue. Map how those queries look in your business, then design the system accordingly.
Failure Mode 4: Measurement infrastructure lacking.
Why it fails: Because many teams deploy without tracking key metrics (session to lead, query to conversion). Without that, you’re flying blind.
Fix: Build tracking early: tag query types, funnel stages, conversion events. Use attribution logic that recognises AI search may create zero-click conversions (some queries are answered entirely inside the search/agent interface).
Measuring success: How to tell if it really becomes a revenue lever
Key metrics you should track
Queries served by the AI search system vs baseline manual search.
Lead or conversion rate of queries served (for example: users who asked “what is X” and then signed up).
Revenue per conversion (attributed to AI search channel) vs alternate channel.
Incremental revenue: (Revenue from AI search channel) minus (what you’d have gotten via old channels).
Cost of acquisition/engagement for AI search vs other channels.
Quantitative anchor to keep in mind
The $16.28 billion → $50.88 billion market projection gives you macro-tailwind.² But your business is micro. So ask: “What share of my category can we capture?” If you’re in a niche worth $100 million total funnel, and you aim for 5% via AI search in 12 months, you’re targeting $5 million—ambitious, but concrete.
Beware of zero-click risk
AI search may deliver answers without a click, meaning your website may not see the visit but the user still converts (or doesn’t). That means traditional traffic metrics (pageviews, sessions) may fall even as revenue from your funnel grows. If you measure only traffic and ignore conversion attribution, you’ll misinterpret the signal.
Next steps: Your checklist for action
Map your buyer journey and identify discovery/intent queries that precede brand awareness.
Audit whether your customers are using AI-search or conversational tools (surveys, support logs, analytics).
Build or refine content/assets optimized for semantic, conversational queries (not just keywords).
Choose a platform or partner that supports indexing and surfacing for AI-search systems (could involve schema markup, knowledge graph, internal search tech).
Set clear KPIs: query volume, conversion rate, revenue per conversion, incremental revenue.
Launch an experiment (pilot) with clear start date and baseline, track results, and iterate.
Troubleshoot early: monitor query types, drop-offs, conversion friction; adjust content or user flow accordingly.
Why this matters (and why many teams will get it wrong)
Let me be blunt: most “AI search” projects will fail because they lean into the shiny tech, not the funnel logic. They assume “if we build chat, they will come”. It doesn’t work that way. Your prospects’ attention is shifting. According to McKinsey, decision-making is moving earlier into AI search.¹ If you don’t plant your flag now, you’ll suffer from visibility loss—not just SEO decline, but search-revenue erosion.
And yes, you will read headlines about billions of new spot markets, $26 billion ad-spend in AI search by 2029, etc. Reuters These sound big and global but for your business the question remains: Can I capture a measurable slice of that tailwind? If you can’t answer yes, then any AI search initiative is an experiment, not a lever.
✅ Q&A Surface
Q: What is AI search?
A: AI search is a semantic or LLM-driven search system that answers natural-language queries and surfaces information without relying solely on keyword matching.
Q: How can AI search drive revenue?
A: AI search drives revenue when it captures early-stage intent, improves discovery, shapes customer decisions, and increases conversion efficiency.
Q: How should founders evaluate AI search?
A: Evaluate customer behavior, intent opportunities, expected incremental revenue, measurement readiness, and the maturity of your internal content and data.
Q: What are the risks of deploying AI search?
A: Common risks include zero-click behavior, poor measurement infrastructure, misaligned funnel logic, and deploying chatbots without revenue pathways.
FAQs
1. What is AI search and how is it different from traditional search?
AI search refers to search systems powered by semantic models and large language models (LLMs) that interpret natural-language queries and return contextually relevant answers, not just keyword matches. Instead of relying on exact terms, AI search understands meaning, intent, and relationships between concepts, often answering directly inside the interface (for example, in a chatbot or AI assistant) rather than simply listing blue links.
2. How can AI search act as a real revenue lever for my business?
AI search becomes a revenue lever when it captures early-stage intent and guides users toward conversion outcomes. It can:
Intercept discovery questions like “what’s the best option for X” or “how do I solve Y”
Reduce friction by giving clear, tailored answers
Route users into trials, demos, or purchases
If you wire AI search into your funnel events (forms, bookings, purchases) and measure incremental lift, it can drive net new revenue rather than just replacing existing traffic.
3. What types of businesses benefit most from investing in AI search?
AI search is most valuable for businesses where:
Prospects ask a lot of “what, why, how, which” questions before choosing a solution
Discovery and education content influences purchase decisions
B2B buyers or consumers use AI assistants or AI search engines to compare vendors or products
Direct-to-consumer brands, B2B SaaS, and businesses with large content or knowledge bases (for upsell, retention, or support-led expansion) are especially well-positioned to capture revenue from AI search.
4. How should founders and growth teams decide if AI search belongs in their growth plan?
Founders and growth teams should ask three core questions:
Do our prospects already use AI-powered search or assistants in our category?
Do we have (or can we build) content that answers early-stage, high-intent questions AI systems surface?
Can we measure incremental outcomes such as more qualified leads, higher conversion rates, or additional revenue from an AI search channel?
If the answer is yes to all three, AI search likely deserves a defined place in your growth strategy.
5. What are the most common reasons AI search projects fail to drive revenue?
AI search initiatives often fail because they are launched as toys rather than revenue systems. Typical failure modes include:
Deploying a chatbot or semantic search without tying it to conversion events
Focusing on “engagement” instead of incremental revenue
Poor measurement and attribution, so impact cannot be proven
Ignoring zero-click behavior where decisions happen inside the AI interface, not on your site
Without clear funnel logic and metrics, AI search remains an experiment, not a lever.
6. How can I measure whether AI search is actually generating incremental revenue?
To measure impact, you should:
Track query volume served by AI search versus your old search or navigation
Monitor conversion rate from AI-served sessions (leads, trials, purchases)
Compare revenue attributed to AI search against a defined baseline period
Calculate incremental revenue: revenue from AI search minus what previous channels would have produced
If the AI search line on your revenue graph is meaningfully rising over time, you have evidence that it functions as a real revenue lever.
7. Why does the shift to AI-powered search create urgency for business leaders?
Market data shows AI-powered search already influences a large share of consumer decision-making and is projected to control a growing slice of global revenue flows. As more discovery and comparison happens inside AI search systems, businesses that do not adapt risk losing visibility and demand to competitors who are better represented in AI-generated answers. For founders and growth teams, this is not just a traffic issue; it is a structural shift in how revenue is mediated, and early movers have an advantage in capturing that new demand.