The number Google isn't leading with
Google AI Mode passed 75 million monthly active users in April 2026 and crossed 100 million shortly after. Trade coverage framed it as a growth story, which it is. Here's the number that got less attention: 93% of AI Mode search sessions end without a click to any external website.
That figure comes from session-level research published in May 2026 across major verticals. For context, zero-click search across all of Google sat around 54% for years before AI Overviews started pushing it upward. Across standard Google search today, it's 72%. In AI Mode specifically, where the entire result is a synthesized conversation, it's 93%. Users ask a question, Google assembles an answer, users leave. Your domain doesn't enter the picture.
The question isn't whether to grieve organic search. That conversation is over. The question is how to buy visibility in the only surface that's still growing.
What 75 million users actually means for shopping queries
The 75M figure is US monthly actives as of April. Globally, AI Mode processes over 1 billion queries a month. In retail and shopping verticals — the ones most relevant to e-commerce brands — adoption is running ahead of the overall average. Product comparison queries ("best wireless earbuds under $100," "which protein powder is worth it") are exactly the conversational format AI Mode was built for.
Your highest-intent customers — people who research before buying — are disproportionately the ones not clicking through to your site anymore. They're getting a synthesized answer from Google and forming purchase intent before they ever reach a product page.
This isn't an anomaly in your analytics. It's a structural shift in where the consideration stage now lives, and it will accelerate as AI Mode rolls out beyond its US base.
Ads in 25% of results — and what the early data shows
Ads now appear in 25.5% of AI Mode results, up from roughly 5% in early 2025. That 394% growth is Google monetizing the surface as fast as users adopt it. Three placement types are running: inline citations inside the AI response text, sidebar product recommendations, and post-response product listings.
If you're running PMax or standard Shopping campaigns, you're already eligible for these placements. No separate campaign type. No additional setup required right now.
Early performance data is genuinely mixed. AI Mode ad placements show 18% higher engagement than standard search ads. CPCs are running 35% higher. Whether that exchange produces better or worse cost-per-conversion depends on your vertical and your conversion data — and most accounts don't have enough AI Mode volume yet to draw conclusions with confidence.
What isn't ambiguous: ads are the only active lever you have in this environment. There is no SEO strategy for a 93% zero-click surface. You can optimize your Merchant Center feed to get cited inside AI responses — and doing so absolutely matters for brand awareness and consideration — but getting clicked requires the ad placement.
Two things to act on now
First: run a placement breakdown in Google Ads and look for AI Mode traffic. This data became available in the UI after Google Marketing Live. Volume will be low in most accounts, but check what ROAS AI Mode placements are returning against your overall PMax average. Don't make budget decisions yet — establish a baseline before the surface scales further.
Second: audit your Merchant Center feed completeness. AI Mode pulls product attributes to build its synthesized responses. Feeds with thin descriptions, missing attributes, or low-quality images won't get cited even when the product is directly relevant. The attribute requirements we covered in the AI Max feed quality piece from last week apply here too — same logic, same fix.
Something to watch: Google will almost certainly introduce AI Mode-specific bid adjustments in H2 2026. Every new placement type follows the same pattern — broad eligibility first, granular controls later. Accounts with existing AI Mode performance data when those controls arrive will set smarter bids than accounts going in cold.
The math that doesn't resolve cleanly
Organic traffic from AI Mode queries is effectively zero for most brands. Paid placements in AI Mode cost 35% more per click than traditional search. You're paying a premium to reach users who, until recently, found you for free.
That reframes the efficiency argument for organic-first acquisition in a way that doesn't fix itself easily. But not showing up at all on the fastest-growing search surface is a worse outcome.
If you want to see where your Google Ads budget is actually going right now, the free audit tool shows you what's spending, what's not, and where the gaps are in a few minutes.
The search channel isn't dying. It's getting more expensive to compete in.
Sources: GEAFirst, Nobori AI, Digital Applied AI Search Statistics 2026, Semrush Zero-Click Data 2026, May 2026
