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Sarah Vlietstra
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Google Ads

Is Google Ads AI Max Right for Your SMB? Navigating Risks & Rewards

Date Published: 
November 24, 2025
Last Update: 
November 25, 2025

Is Google Ads AI Max Right for Your SMB? Navigating Risks & Rewards

Post Summary

Google Ads’ AI Max feature is a hotly debated topic. While it promises expanded reach by finding new opportunities beyond your existing keyword list, it comes at the cost of direct control. In this article, Sarah Vlietstra breaks down exactly how AI Max, URL expansion, and text customization work together. Read on to understand the inherent risks for SMBs, the necessary "guardrails" for testing, and three specific use cases where toggling it on might be the right move for your account.

Should I Use AI Max for My SMB Google Ads Account?

There’s no doubt that AI Max is hotly debated in the PPC community.  While most agree that it does open up new keyword opportunities (though sometimes not necessarily relevant), most lament the lack of control that comes with it and it’s clear that additional testing is needed.  At Makroz, we’ve observed varied performance, with some accounts benefiting greatly and others seeing little results.  Ideally, AI Max should be considered for an account where you want to expand reach but you also are able to have human eyes on search terms and ad assets to determine what exactly is happening in the account and if it is gaining incrementality or - ultimately - just wasting money.

How Does AI Max Work?

AI Max is a toggle button found at the campaign level that pairs with two additional features “url expansion” and “text customization.”  It’s important to note that all three of these features behave in different ways and you do not have to select the latter two when enabling AI Max in your account.  You can just toggle on AI Max and remove the check mark boxes next to “final url expansion” and “text customization.”  However, enabling AI Max is a prerequisite for using the ‘final URL expansion’ and ‘text customization’ features.

Clicking the AI Max button grants Google permission to expand beyond your current keyword list (even exact match), analyzing user search intent, landing page content, and ad assets to identify and bid on queries potentially missed in your initial campaign setup.

Enabling final URL expansion allows Google to extend beyond individual ad group final URLs, scanning your entire site to find pages most relevant to user search queries.  The aim is to reduce friction by directing users to the most closely matched page for their search query.

Lastly, text customization within the campaign level dynamically creates your ad copy by pulling relevant text from existing ads, landing pages and other assets to create a new ad ultimately more relevant to the user’s search query.

What Does AI Max Do?

Once you enable AI Max within your campaign, you will start to see your search terms report indicating whether or not your ad was shown for a keyword due to a specific match type or AI Max.  

Screenshot of AI Max keyword types to add or exclude

If the search terms seem irrelevant, you can still exclude them as negative keywords.

Your landing page report will include information regarding your final url expansion, with either “advertiser selected” or “automatically selected” included:

screenshot of landing page report for Ai Max in Google Ads

You can also remedy any poorly performing landing pages showing up for final url expansion by adding them as negative urls at the campaign level in campaign settings under “add url exclusions.”

Screenshot of Asset Optimization tab in AI Max for Google Ads

To review automatically created assets through opting into text customization, you can either select “view asset details” on the ad level, where you can determine if any of the assets that say “automatically created,” are relevant to your business and pause them.  You can also view these same assets at the campaign level by going to the “assets” section in the left side menu when your campaign is selected. Make sure “ad” is selected in the level once you do this, as it sometimes defaults to exclude that option: 

Screenshot of level for ad generation for AI Max in Google Ads

If you see any assets that do not accurately represent your brand when you are reviewing them at the campaign level, you will have to go to the ad level to edit them.

What Are the Risks of Using AI Max?

As with any campaign or account level setting where you allow Google to make decisions in the account on your behalf, the inherent risks involved have to do with what Google does with the data it finds.  That is why monitoring things such as search terms, landing pages and ad copy will be crucial if you run a test on AI max.  That doesn’t mean that you shouldn’t test AI Max - that just means you should do it carefully with certain guardrails in place.

Make sure that your budget is something that you can actually afford to spend in the campaign you are testing AI Max on.  You may also want to test it without final url expansion or ad text optimization in place to allow for less opportunities for brand misrepresentation.  Once you set AI Max in place, monitor search terms carefully.  Depending on your budget and bid strategy, you may want to review search terms every day to ensure you are excluding irrelevant terms.  If you are testing AI Max, we’ve found it performs the best when you are optimizing towards your actual key website goals (purchases or leads) as opposed to micro conversions.

Would AI Max Benefit My SMB?

I don’t say all of this to scare you, but rather to have you use caution.  Google Ads can be unpredictable at times and each account performs differently depending on auction dynamics.  AI Max has a few good use cases that still make it a worthwhile test, though!

Use case #1: You do not have a lot of relevant non-brand keywords or you have too many “low search volume” keywords.  

Use case #2: You are maxing out the impression share of existing keywords.

Use case #3: You want to expand the NB searches you are eligible for.

In all three of these use cases, if you are struggling with non-brand ad spend you could consider adding some relevant, longtail broad match keywords and monitoring search terms to add as additional keywords.  If that still doesn’t warrant enough additional traffic, toggling on AI Max may be able to assist.

Ultimately, AI Max presents a powerful opportunity for SMBs to expand their reach and optimize their Google Ads performance. However, success hinges on a strategic and vigilant approach. By carefully monitoring search terms, landing pages, and ad assets, and by aligning AI Max with your core website goals, you can harness its potential while mitigating risks. Consider a phased implementation, perhaps starting without URL expansion or text customization, to gain confidence and refine your strategy. With thoughtful execution, AI Max can be a valuable tool in your SMB's digital marketing arsenal.

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Sarah Vlietstra
Senior Paid Search Strategist

Sarah started her career in digital marketing by working as a contractor at Google for 6 years before joining ZATO.

During that time, she worked with thousands of Google Ads accounts, gathering specific insight into industry benchmarks, trends and data. Because of her time representing Google, she excels at implementing Google Ads best practices in ZATO clients to maximize machine learning applied intelligently through a human framework.

Sarah is also passionate about educating others regarding Paid Search products, and actually taught the existing ZATO team about a specific product on her first day ever working at ZATO!

Sarah lives in Kalamazoo, Michigan with her husband, two sons and dog.  She enjoys spending time with her family, beautifying her house, and visiting new places.

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