For the last two decades, paid search has been built around a simple idea: marketers tell Google what searches matter.
AI Max begins to flip that relationship.
Instead of relying primarily on keyword lists, Google uses AI to better understand intent, expand targeting beyond exact keyword matches, generate creative assets, and determine which landing page on your current site best fits a user’s search.
It’s Google’s clearest signal yet that the future of Search won’t be built around keywords alone.
That doesn’t mean marketers lose control. It means our role is changing.
What is Google’s AI Max?
AI Max is Google’s newest enhancement for Paid Search campaigns.
Unlike Performance Max, which distributes ads across Google’s entire inventory, AI Max works within search campaigns to help advertisers participate in more relevant searches—including longer, more conversational queries. Additionally, Search is prioritized in bids over PMAX, which gives AI Max a leg up on bids and makes it an enticing option for clients with clear goals who want to capture relevant search traffic without relying strictly on PMAX inventory availability.
It does this by using AI to:
- Expand keyword matching beyond traditional keyword lists
- Dynamically generate headlines and descriptions
- Select the most relevant landing page
- Optimize campaigns based on intent instead of exact keyword matches
Think of AI Max as Google’s attempt to make paid search campaigns behave more like an experienced strategist than a keyword spreadsheet.
Why Google Is Betting Big on AI
The way people search has changed. They’re asking complete questions. They’re refining searches through follow-up conversations. They’re comparing options instead of typing two or three keywords and going with the first link that shows up.
A few years ago, someone planning a vacation might have searched:
“best family vacation Tennessee”
Today, they’re more likely to ask:
“We’re traveling with two kids under eight in October. We’d like somewhere outdoors with hiking, good food, and a reasonable drive from Chicago. Where should we go?”
Google built AI Max because traditional keyword targeting wasn’t designed for that kind of contextual behavior.
Rather than forcing advertisers to anticipate every possible search variation, AI Max attempts to understand what someone is actually trying to accomplish.
Should You Turn It On?
Our answer is: Yes, but carefully. Rather than turning it on across all accounts, we suggest testing AI Max only for specific accounts.
Each test should have clear guardrails outlined with the media team before testing—including metrics and controls around incremental reach, cheaper CPAs, conversions, overall cost, negative keywords, brand exclusions, and targeted locations of interest.
We’re approaching AI Max the same way we approached Performance Max several years ago.
With curiosity. And healthy skepticism.
Performance Max eventually became a valuable campaign type, but early versions required patience, testing, and strong guardrails.
We expect AI Max to mature more quickly, but we’re still treating it as a product that’s evolving—not one that’s ready to replace proven Search campaigns overnight.
Where We’re Testing AI Max
At KHM, we’re introducing AI Max through controlled testing.
That means:
- Comparing AI Max against existing Search campaigns.
- Measuring incremental performance—not assumptions.
- Testing across different industries before broad rollout.
- Expanding only when the data supports it.
Our recommendation isn’t to replace what already works.
It’s to begin learning now so you’re prepared as Google’s AI capabilities continue improving.
AI Still Needs Human Direction
One of the most encouraging additions alongside AI Max is AI Briefs.
AI Briefs allow advertisers to guide how Google’s AI represents their brand by providing messaging priorities, creative direction, and brand guardrails.
That matters.
AI is incredibly good at generating options. It’s much less effective at understanding brand nuance without guidance.
The brands that perform best won’t simply automate more. They’ll teach AI how to represent them well.
The Bigger Opportunity
The biggest lesson from AI Max isn’t that campaign management is becoming less about manually configuring every keyword and more about teaching systems how your brand should think.
The fundamentals haven’t changed.
- Strong positioning.
- Compelling creative.
- Clear messaging.
- Relevant landing pages.
- Trusted brands.
AI simply changes how those strengths get activated.
Our Perspective
AI Max isn’t something to fear. It also isn’t something to blindly adopt.
It’s another reminder that the marketer’s role is shifting from manually operating platforms toward strategically guiding intelligent systems.
That’s where we think agencies create value.
Not by chasing every new feature. By understanding which ones actually move the business forward.
