Home  ›  Google Ads Course  ›  Search Core

Google Ads AI Max for Search: What It Is & How to Use It

Google’s AI layer for Search campaigns — search term matching, text customization and URL expansion — what it does, its risks, and how to roll it out without wasting budget.

VDBy Vikas Disale·9 min read
Quick answer

AI Max is a suite of AI features you switch on inside existing Search campaigns (not a new campaign type). Its pillars are search term matching (broad-match + keywordless AI to find new queries) and asset optimisation (text customization + final URL expansion). It can lift conversions but expands aggressively, so pair it with Smart Bidding, strong conversion data and active negative keywords — and test it on one campaign first.

📢
2026 updateAI Max left beta in April 2026. From September 2026, campaigns using Dynamic Search Ads, automatically created assets, or the campaign-level broad match setting auto-upgrade to AI Max, and you can no longer create new DSA campaigns. Google recommends switching now so you keep control of the setup.
1What it is

An AI layer on your Search campaigns — not a new type

AI Max isn’t a campaign type like Performance Max. It’s a suite of AI features you switch on inside your existing Search campaigns. You keep your keyword structure and ads; AI Max loosens the reins on matching and creative so Google’s models find more queries and tailor your copy.

2The two pillars

Search term matching & asset optimisation

FeatureWhat it does
Search term matchingUses broad match + “keywordless” AI to find relevant queries beyond your keyword list
Text customizationGenerates tailored headlines/descriptions from your ads and landing pages (formerly ACA)
Final URL expansionSends users to the most relevant page on your site, not just your set landing page

It also adds newer controls: brand controls, location-of-interest targeting (geographic intent at ad-group level), and text guidelines to steer or exclude AI-generated wording.

Free tool

AI Max readiness check

AI Max expands aggressively — it rewards good setup and punishes weak tracking. Tick what you have before switching it on.

Readiness
0 / 7
3How it behaves

Powerful, and aggressive with automated bidding

AI Max is designed to run with broad match and Smart Bidding. That’s a double layer of automation: AI Max decides which new queries to enter, and Smart Bidding decides how hard to bid. When it works, you capture incremental conversions. When it misfires, it can surface a low-intent query and bid on it before the model learns it’s worthless.

⚠️
Negatives aren’t optionalBecause AI Max widens the net, active negative keywords are your main guardrail. Watch the search terms report daily for the first few weeks and prune the junk.
4Rolling it out safely

Test, don’t flip it on everywhere

  • Start on one strong campaign (30+ conversions/month), not the whole account.
  • Use a one-click experiment — a 50/50 split against your baseline for 4–6 weeks.
  • Set text guidelines before letting it generate copy — exclude off-brand terms.
  • Enable Final URL expansion with care — only if your site’s pages are consistent and conversion-ready.
  • Scale on your data, not Google’s aggregate benchmarks.
Key takeaways
  1. AI Max is an AI feature suite inside Search campaigns — not a new campaign type.
  2. Its pillars: search term matching, text customization and final URL expansion.
  3. It’s built to run with broad match and Smart Bidding — a double layer of automation.
  4. Active negative keywords are the main guardrail against the junk queries it surfaces.
  5. Test on one campaign with a one-click experiment before scaling to the account.
?Frequently asked

AI Max FAQs

What is AI Max for Search in Google Ads?
A suite of AI-powered features you switch on inside existing Search campaigns to expand keyword matching, generate tailored ad copy and send users to the most relevant landing page. It is not a separate campaign type.
Is AI Max a new campaign type?
No. It’s a set of features layered on top of your standard Search campaigns, so you keep your keyword structure while Google’s AI expands matching and creative.
What are the main AI Max features?
Search term matching, which finds new queries beyond your keywords, plus asset optimisation, which covers text customization and final URL expansion, along with brand and location controls.
Is AI Max safe to turn on?
It can help, but it expands aggressively. Use it with Smart Bidding, strong conversion tracking and active negative keywords, and test it on one campaign with an experiment before scaling.
Does AI Max replace Dynamic Search Ads?
Yes. From September 2026, Dynamic Search Ads, automatically created assets and the campaign-level broad match setting auto-upgrade to AI Max, and new DSA campaigns can no longer be created.
How do I control AI Max ad copy?
Use text guidelines to exclude specific terms and steer the AI’s tone and messaging, and review AI-generated assets in the asset report.
→Keep learning

Related lessons

Smart Bidding Strategies
read →
Negative Keywords
read →
VD
Vikas Disale
Author · Digital Marketing

Vikas Disale is a digital marketer with around a decade of hands-on experience running and teaching paid search. He builds practical, example-led Google Ads training for business owners and marketers. More about Vikas →

Thinking about turning on AI Max?

AI Max rewards tight setup and punishes weak tracking. I can help you test and control it so it grows results, not waste.

Get in touch →
Scroll to Top