Google Ads / Paid Search

Google AI Max for Search: What It Is, Why It Matters, and How to Turn It On

AI Max is now in broad beta. It changes how your Search campaigns match, what creative they show, and where they land. Here's a plain-language walkthrough of everything you need to know.

Chandos Erwin

June 2026

8 min read

What you'll learn

What AI Max actually does inside your Search campaigns (and what it does not do)
Who should turn it on and who should wait
Where to find it in Google Ads and exactly how to enable it
What to watch in reporting after you flip the switch
Why paid search alone does not solve the bigger AI visibility problem — and what does

Why This Matters Now

Search queries have changed. Traditional keyword targeting has not kept up.

The way people search has shifted. Queries are getting longer and more conversational — five-word-plus searches are growing 1.5 times faster than shorter ones. Google now runs AI Overviews on 1.5 billion searches a month, synthesizing answers directly in the results page. Voice and image search add another 25 billion queries a month on top of that.

The result is a growing gap. Traditional keyword targeting works by matching to the terms you explicitly bid on. But a lot of the queries that are relevant to your business — especially the longer, more specific, higher-intent ones — never get matched because they do not closely match any keyword in your list.

AI Max is Google's answer to this gap. It lets AI read your landing pages, understand what your business actually does, and enter auctions for queries your keyword list never knew to cover.

>5T

searches on Google every year, growing more conversational

1.5B

monthly AI Overview appearances surfacing answers without a click

1.5x

faster growth rate for queries with five or more words vs. shorter searches

What It Is

AI Max is not a new campaign type. It is a settings upgrade to your existing Search campaigns.

You do not rebuild anything to use AI Max. You apply it to campaigns you are already running. It adds three capabilities on top of your existing setup.

Keywordless targeting

AI Max reads your landing pages and ad assets to understand what your business offers. It uses that understanding to enter relevant auctions even when the query does not closely match a keyword in your campaign. This is especially valuable for longer, more specific queries that traditional keyword bidding misses entirely.

Text Customization

Ad headlines and descriptions are dynamically adjusted in real time based on what Google knows about the individual searcher — their context, intent, and the specific query they used. You provide a set of approved assets; AI Max assembles the combination most likely to resonate with that specific user.

Final URL Expansion

Instead of always sending users to the landing page you specified in the ad, AI Max can route them to the page on your site that best matches what they searched for. A query for a specific product might bypass a general campaign landing page and land directly on the relevant product page.

Text Customization — Same Campaign, Same Budget

Without AI Max

Most Search advertisers should turn it on. A few should wait.

AI Max is currently in broad beta, which means it is available to most advertisers but not yet fully rolled out everywhere. If you have access to it, here is how to think about whether to enable it.

Turn it on if:

You are running Search campaigns that rely heavily on exact match or phrase match keywords. Google's data shows advertisers in this situation see an average lift of 27% in conversions — the gain is higher because you have more headroom.
You have well-built landing pages. AI Max reads your pages to understand your business. The better your pages describe what you offer, the more accurately it will match queries.
You have conversion tracking set up. AI Max needs conversion data to optimize. Without it, you are giving the AI nothing to learn from.

Wait or move carefully if:

You are running highly regulated campaigns (financial services, healthcare) where ad copy is legally constrained. Text Customization generates variations of your assets — review those carefully before enabling.
Your landing pages are thin or not clearly describing what you sell. Clean those up first so the AI is reading accurate content about your business.
You need absolute control over every destination URL. Final URL Expansion changes where users land — if that matters operationally, you can enable AI Max but disable URL Expansion specifically.

Why the Numbers Support It

14% more conversions at the same cost. 27% for exact-match-heavy accounts.

According to Google's internal data from 2025, advertisers who activate AI Max in Search campaigns see an average of 14% more conversions or conversion value at a similar CPA or ROAS.

For campaigns that are still mostly running on exact and phrase match keywords, the typical lift is 27%. The reason: those accounts have the most headroom. Traditional keyword targeting is leaving the most queries on the table.

These averages will not be uniform. A campaign on a very niche topic with excellent keyword coverage may see smaller gains. A broad consumer campaign with a lot of uncaptured intent in the long tail will likely see more.

Performance Max campaigns that have Final URL Expansion enabled see an average of over 9% more conversions at a similar CPA or ROAS. If you are running PMax, check that setting too.

Optimize your campaign with AI Max

BETA

14%

more conversions

at a similar CPA/ROAS when advertisers activate AI Max in Search campaigns

Source: Google internal data, 2025. Based on campaigns with similar setups across Search with and without AI Max, non-retail advertisers.

Where to Find It and How to Turn It On

It takes about five minutes. Here is exactly where to go.

AI Max lives inside your existing Search campaign settings. You are not creating a new campaign — you are adding it to campaigns you already run.

AI Max for Search campaigns

Optimize your campaign with AI Max BETA

Advertisers that activate AI Max in Search campaigns will typically see 14% more conversions or conversion value at a similar CPA/ROAS.

Asset optimization

Text customization

Use text from your website, landing pages, ads, and provided assets to create customized ad copy.

Final URL expansion NEW

Send traffic to the most relevant URL on your website when it's likely to result in better performance.

Turn on AI Max in your campaign to use asset optimization

The AI Max settings panel in Google Ads. You'll find it under Campaign settings in the left sidebar. Text Customization and Final URL Expansion are enabled by default when you toggle AI Max on.

Open a Search campaign in Google Ads

Navigate to the Search campaign you want to update. AI Max is applied at the campaign level, so you will do this for each campaign you want to enable it on.

Go to Campaign settings

In the left sidebar, click Settings, then Campaign settings. You will see an AI Max section if your account has access to the beta.

Toggle AI Max on

Click the AI Max toggle to enable it. You will see sub-settings for Text Customization and Final URL Expansion appear underneath. Both are on by default. If you need to disable URL Expansion for operational reasons, you can do that here.

Review your asset coverage

AI Max works best when it has strong assets to work with. Check that your campaign has at least 3 to 5 headlines and 2 descriptions with enough variation for the AI to combine effectively. Lean on specifics — features, outcomes, differentiators — not generic copy.

Check your landing pages

AI Max reads your landing pages to understand what you offer and expand targeting. Make sure the page you are pointing to clearly describes your product or service. Thin pages will produce thin targeting.

What to Watch After You Turn It On

Give it a few weeks, then check these things in your reporting.

AI Max needs time and conversion data to optimize. Do not judge it in the first few days. Give it at least two to three weeks before drawing conclusions, especially on campaigns with lower conversion volume.

When you check in, look at these specifically:

AI Max additions in the search terms report. This shows you the queries that AI Max entered that your original keywords would not have matched. This is the most direct view of what the feature is doing — and a useful window into demand you were missing.
Conversion volume and CPA/ROAS vs. the period before. Compare with care — AI Max is optimizing for the same conversion goals you had before. If CPA stays stable or improves and volume goes up, it is working.
Landing page performance. If URL Expansion is on, check which pages users are landing on and how those pages are converting. If a particular destination is underperforming, investigate whether the page copy matches the intent of the queries being routed there.
Asset performance labels. AI Max will show "Best," "Good," and "Low" labels on your assets. Pull the low performers and replace them. The AI can only assemble combinations from what you give it.

The Part Ads Do Not Cover

AI Max helps with paid search. It does not help with what AI engines recommend organically.

AI Overviews, ChatGPT, Perplexity, and Gemini answer questions without always serving ads. When someone asks which product to buy, which agency to hire, or which vendor to consider, those engines pull from a body of content, citations, and brand signals — not from your ad account.

Your brand either gets cited in those answers or it does not. And the signals that determine AI citation are different from the signals that determine search ranking. Traditional SEO alone does not move this needle.

We built a tool to measure where brands stand. The Hydro AEO Grader scores your visibility across ChatGPT, Perplexity, and Gemini — how often you are cited, how competitors compare, and where the gaps are. It is free and takes about two minutes.

Next Steps

Turn on AI Max. Then check where your brand stands in AI search.

One is a five-minute change to your ad account. The other takes two minutes and tells you something most brands do not know about themselves.

Check Your AEO Score Talk to Us About Your Campaigns