Google Ads vs Smart Campaigns vs AI Max: What Every Advertiser Needs to Know
Three Products, Two Hard Deadlines, and One Decision You Need to Make
If you have been running Google advertising for more than a few years, you have lived through multiple platform transitions: AdWords to Google Ads, Smart Shopping to Performance Max, manual bidding to Smart Bidding. Each transition came with a deprecation date, a migration deadline, and an industry-wide conversation about what the new product actually does versus what Google says it does.
2026 brings two more. Starting August 3, 2026, the Google Ads API will stop supporting the creation of new Smart Campaigns, pushing agencies and advertisers toward Performance Max and other campaign types. And AI Max for Search, which reached general availability on April 15, 2026, is set to auto-migrate all remaining Dynamic Search Ads campaigns by February 2027, with Automatically Created Assets and campaign-level broad match settings migrating earlier in September 2026. These are not optional upgrades. They are platform-level changes happening on fixed timelines regardless of whether you are ready.
This guide explains what each product is, who each one is actually right for, what the timelines require, and how to make the transition on your own terms rather than having it imposed on your account at the least favorable moment.
Key Takeaways
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The Three Products: What Each One Actually Is
Google Ads (Standard Search Campaigns)
Standard Search campaigns are the basic paid search product and the one that has existed in recognisable form since the AdWords era. You choose your keywords, set match types, write your ads, define your audiences, and bid against the auction. Automated bidding strategies like Target CPA and Target ROAS are available within this structure, but the architecture, keyword selection, and negative keyword management remain under your direct control.
This control is binding for certain use cases. Brands with strict compliance requirements, legal or financial advertisers where a single irrelevant impression creates liability, and B2B accounts where a precise ICP and long sales cycle demand surgical keyword intent management are all examples where standard Search campaigns remain the correct product regardless of how sophisticated the alternatives become. The platform gives you the search terms report, full negative keyword control, asset-level performance data, and transparency into every lever the auction system is pulling on your behalf.
Standard Search campaigns are also the product AI Max is layered on top of. Understanding what a well-built Search campaign looks like is the prerequisite for getting AI Max right, since AI Max inherits the campaign’s conversion data, keyword signals, and structural decisions as its starting point.
Smart Campaigns: What They Were and Why They Are Ending
Smart Campaigns launched in 2018 as a simplified, automated product for small businesses with no dedicated advertising team. You entered your business name, wrote a few lines of text, set a monthly budget, and the system handled targeting, bidding, and ad delivery automatically. This made Google advertising accessible to local businesses that would not have otherwise engaged with the platform.
The trade-off was comprehensive automation in exchange for almost no visibility. You could not see which search terms were triggering your ads, you had no meaningful negative keyword input, you could not control which partner sites received your budget, and the reporting dashboard gave you aggregate numbers without the granularity needed to optimize. As advertisers grew and their acquisition targets became more specific, these limitations became roadblocks rather than simplifications.
The product is now being wound down. Starting August 3, 2026, the Google Ads API will no longer accept the creation of new Smart Campaigns. Existing campaigns continue serving and can still be updated via the API, but no new campaigns can be created programmatically after that date. Google’s recommended migration path is Performance Max for advertisers who want broad automation, or standard Search or Demand Gen campaigns for those who want more control.
If you are currently running Smart Campaigns and managing them through an API-connected tool, audit your workflow now. The August 3 deadline applies specifically to API-based creation. New Smart Campaign creation via the standard Google Ads UI may also be affected in subsequent changes, so the practical approach is to plan migration regardless of how your campaigns are managed.
AI Max for Search: What It Is and What It Is Not
AI Max for Search reached general availability on April 15, 2026, after approximately 11 months of open beta. Google described it as a feature suite integrated directly into standard Search campaigns, not as a new standalone campaign type. This distinction is crucially important for how you should think about it.
AI Max consists of three components that can be enabled individually or together. Search Term Matching expands your reach into relevant queries beyond your keyword list using real-time intent signals and website content, similar to what Dynamic Search Ads did, but incorporating expanded user intent data beyond just page content. Text Customization uses Gemini to generate contextually relevant headlines and descriptions based on your landing page content and the user’s search intent. Final URL Expansion dynamically sends users to the most relevant page on your site for their specific query rather than always landing on the URL you designated in the ad.
Ginny Marvin, Google Ads Liaison, described it accurately when she wrote that “AI Max’s suite is essentially Performance Max search, bringing the AI-powered tools of PMax for Search into Search”. The underlying technology is the same Gemini-based crawl and intent inference that PMax uses, but with ad-group-level brand controls, location controls, URL controls, and text guidelines that Performance Max has historically refused to give advertisers. This is the notable difference: AI Max gives you levers that PMax does not.
What AI Max is not: a replacement for standard Search campaigns or a migration target for all accounts. It is an optimization layer that makes the most sense for accounts with mature conversion tracking, sufficient search volume to benefit from expanded query matching, and landing pages structured well enough for AI-generated ad copy to accurately represent the offer. Accounts with strict brand guidelines, narrow keyword intent requirements, or low conversion volume should approach AI Max features selectively rather than enabling all three by default.
The 2026 and 2027 Timeline: What Is Changing When
The transition dates in this space have shifted, and having an accurate ongoing timeline is essential before making any account decisions. Here is the verified picture as of July 2026.
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Date
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What Changes
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Who Is Affected
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April 15, 2026
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AI Max for Search reaches general availability. Voluntary upgrade tools begin rolling out for DSA campaigns.
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All Search advertisers. DSA users can begin manual migration.
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June 11, 2026
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Google delays DSA auto-migration from September 2026 to February 2027. New DSA campaign creation restored from June 15.
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DSA campaign users. ACA and broad match timelines unchanged.
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August 3, 2026
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Google Ads API stops supporting new Smart Campaign creation.
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Agencies and developers creating Smart Campaigns via API.
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September 2026
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Auto-migration of Automatically Created Assets (ACA) and campaign-level broad match settings to AI Max begins.
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Search campaigns using ACA or campaign-level broad match.
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January 2027
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New DSA campaign creation ends.
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All advertisers. DSA can no longer be created after this date.
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February 2027
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Auto-migration of remaining DSA campaigns to AI Max begins.
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All accounts still running Dynamic Search Ads.
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The important nuance in this timeline: the DSA delay does not apply to ACA or campaign-level broad match settings. Those still migrate in September 2026. If your account uses either of those features alongside DSA campaigns, you are on two separate migration clocks running simultaneously. The Digital Applied analysis of this split timeline is worth reading in full before planning your account transitions.
The 7% Conversion Lift Claim: What It Actually Measures
Google reports that AI Max for Search campaigns see an average of 7% more conversions or conversion value at a similar CPA or ROAS when using the full feature suite compared to using search term matching alone. This figure appears everywhere in coverage of AI Max and in the original article this post replaces. It calls for careful reading before you use it to set expectations with clients or stakeholders.
Three things the fine print establishes: first, the comparison is full-suite AI Max versus AI Max with only search term matching enabled, not AI Max versus DSA and not AI Max versus a well-managed standard Search campaign. Second, the data is from non-retail advertisers only. Google explicitly excludes retail from this statistic, and separately published Shopping-specific AI Max data under a different framing. Third, independent benchmarks from SMEC showed 13% revenue growth alongside a 16% higher CPA, a materially different outcome than the headline number suggests, depending on your margin structure.
There is also a separately cited figure of 27% more conversions for Search campaigns using exact and phrase match keywords that add AI Max features. That figure applies to a different campaign population than the 7% claim. Monks reported that in one account, 99% of AI Max-driven search terms drove zero conversions, illustrating that aggregate lift figures may obscure significant account-level variance. Use these numbers as directional reference, not as projections.
Which Product Belongs in Your Account
Standard Search Campaigns: When Manual Architecture Still Wins
Standard Search campaigns with Smart Bidding remain the right product for accounts where keyword intent precision is the primary value driver. This covers legal and financial advertisers where CPCs are high and unqualified leads are genuinely expensive, B2B accounts with a narrow ICP where broad query expansion would route budget to completely wrong audiences, and any account where compliance requirements restrict what searches can trigger ads.
Standard Search is also where you should start before adding AI Max features. The conversion data, keyword signals, and negative keyword infrastructure you build in standard Search campaigns are the inputs AI Max learns from. A well-designed standard Search campaign with clean conversion tracking and a comprehensive negative keyword list is a stronger foundation for AI Max than a campaign with poor data quality, regardless of how intelligent the AI layer above it is.
AI Max: The Right Move for Most Established Search Accounts
AI Max makes the most sense for accounts that have sufficient conversion volume for the algorithm to learn effectively, landing pages structured well enough for Gemini to generate accurate ad copy, and search volume broad enough to benefit from expanded query matching. For these accounts, enabling Search Term Matching captures relevant queries that your keyword list would never have explicitly targeted. Text Customization removes the creative bottleneck of writing ad variants at scale. Final URL Expansion removes the manual work of matching ad groups to the most relevant page for each query intent.
The most important operational decision when enabling AI Max is which features to turn on and in what order. ZATO’s practitioner recommendation is to start with Final URL Expansion off or restricted to a verified URL feed, because the default setting enables broad URL expansion that may send traffic to pages you did not intend. Enable Search Term Matching first, measure, then add Text Customization, then consider Final URL Expansion with explicit URL controls rather than full site expansion. Running a Google-recommended one-click A/B experiment against your current setup before full deployment gives you accountable data before you commit the entire campaign.
Brand controls at the campaign and ad group level are one of the clearest advantages AI Max has over Performance Max. Use them. Set explicit brand restrictions before enabling Search Term Matching, otherwise the expanded query pool can surface brand-adjacent queries that are not appropriate for the campaign’s positioning. For guidance on the wider paid search framework these decisions sit within, see our Google Ads campaign setup guide.
Smart Campaigns: The Migration You Need to Plan Now
If you are currently running Smart Campaigns and not yet planning a migration, August 3 is the hard date to work backward from. Existing campaigns will continue serving after that date, but you will not be able to create new ones via API. The practical implication for agencies is that any client account currently structured around Smart Campaign creation through automated workflows needs a new workflow before August 3.
Google’s recommended migration target is Performance Max, which provides similar broad automation with better reporting and more audience signal inputs than Smart Campaigns. For advertisers who want more control than Smart Campaigns provided, standard Search campaigns or Demand Gen campaigns are the alternative. Our Performance Max guide covers the account structure decisions that determine whether PMax works for a given business, which are the same decisions you need to make before migrating Smart Campaign clients onto it.
How to Migrate DSA Campaigns to AI Max Before February 2027
The reprieve from September 2026 to February 2027 is useful time, but the smart move is not to wait for it. Accounts that migrate DSA to AI Max manually in the calm months before Q4 enter Black Friday 2026 with AI Max already stable. Accounts that wait for the February 2027 auto-migration run their first weeks of AI Max, the noisy negative-keyword-triage weeks, in the post-holiday January sales tail.
Step 1: Audit Conversion Tracking Before Touching Anything
AI Max optimises against the signals it can see. A broken or shallow conversion setup produces bad training data that quietly caps your results regardless of how well the campaign structure is built. Before migrating any DSA campaign, confirm that your conversion actions are accurately configured, that call tracking is recording and attributing accurately, and that CAPI is sending server-side events for any campaigns where browser-based tracking may be incomplete. Our 15-minute conversion tracking audit walks through the specific checks that catch the most common configuration errors.
Step 2: Export Your DSA Data Before Migration
Download your top-performing search terms of the DSA campaign’s search terms report before you migrate. Download your URL and page feed if you are using one. Export your negative keyword lists. Agencies that migrated Smart Shopping to Performance Max in 2022 lost access to pre-migration benchmark data in specific reporting dimensions after the auto-upgrade. Manual migration gives you the chance to preserve that data before it becomes inaccessible.
Step 3: Use Google’s Upgrade Tools to Port Settings
Google began rolling out voluntary upgrade tools for DSA-to-AI Max migration the week of April 15, 2026. These tools port your historical settings and data into standard ad groups, preserving URL controls, negative keyword lists, and audience settings so the migrated campaign starts with context rather than from scratch. Use these rather than building a new campaign from zero, which triggers a full learning reset and loses all historical conversion data.
Step 4: Configure Brand, URL, and Text Controls Before Enabling Features
Before you enable Search Term Matching or Text Customization, set your brand guidelines explicitly. Use AI Max’s brand controls to prevent your ads from appearing against competitor brand terms or brand-adjacent queries that are inappropriate for the campaign. Set your URL controls to restrict Final URL Expansion to a verified URL feed if you are not ready for full site expansion. Write explicit text guidelines for Gemini: brand voice rules, pricing and promotion restrictions, and any legal or compliance language requirements. These controls are the main advantage AI Max has over Performance Max and the reason to prefer AI Max for accounts where query control matters.
Step 5: Run an A/B Experiment Before Committing
Google provides a one-click experiment tool that lets you run your current DSA setup against AI Max on real spend with a controlled split. So you have real performance data before February 2027 that forces the switch. Measure to CPA and ROAS, not just conversions and CTR, since a wider query net can inflate conversion volume while quietly increasing acquisition cost.
Side-by-Side Comparison
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Standard Search
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Smart Campaigns
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AI Max
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Control level
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High: full keyword, bid, and negative control
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Minimal: algorithm controls everything
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Medium: keyword list retained, AI handles query expansion
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Automation level
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Low to medium (Smart Bidding optional)
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High (fully automated)
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High (AI-driven with controls)
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Keyword input
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Required
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Not applicable
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Optional but recommended as intent signal
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Negative keywords
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Full control at all levels
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No negative keyword input
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Full negative keyword control retained
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Ad copy
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Manual or RSA rotation
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Automated from business inputs
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AI-generated (Gemini) with text guidelines
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URL control
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Fixed to designated URL
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Automated
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Full URL expansion or restricted to feed
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Best for
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Precision, compliance, B2B, high-CPC
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Entry-level local SMB (deprecated)
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Scaling established Search accounts
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Migration status
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Stable
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API creation ends Aug 3, 2026
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Default for new Search campaigns from April 2026
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Frequently Asked Questions
Is AI Max the same as Dynamic Search Ads?
No. DSA was a campaign type that used website crawling to match queries to landing pages. AI Max is a feature suite layered onto standard Search campaigns that uses DSA’s crawl functionality plus broader real-time intent signals from across Google’s ecosystem. AI Max also adds Gemini-generated ad copy (Text Customization) and dynamic landing page selection (Final URL Expansion), neither of which existed in DSA. Google’s April 2026 announcement describes the transition as an upgrade rather than a replacement, but the basic mechanics are meaningfully different.
Can I still create new Smart Campaigns after August 3, 2026?
Not via the Google Ads API. Starting August 3, 2026, the API will reject new Smart Campaign creation requests. Existing campaigns continue serving and can still be updated via the API. Google’s recommended replacement is Performance Max for advertisers who want automated broad reach, or standard Search or Demand Gen campaigns for those who want more strategic control.
Will my DSA campaigns automatically upgrade to AI Max?
Yes, but the timeline changed. On June 11, 2026, Google delayed DSA auto-migration from September 2026 to February 2027. Campaigns using Automatically Created Assets and campaign-level broad match settings still auto-migrate in September 2026 on the existing timeline. New DSA campaign creation was also restored on June 15, 2026. The destination has not changed: every DSA campaign will eventually be on AI Max. Only the forced deadline for DSA specifically moved.
What does the 7% conversion lift from AI Max actually mean?
It means that running all three AI Max features together (Search Term Matching, Text Customization, and Final URL Expansion) produced 7% more conversions or conversion value at a similar CPA or ROAS compared to running Search Term Matching alone. The comparison is not AI Max versus DSA, and it applies to non-retail advertisers only. Google’s own source notes confirm this fine print. Independent results differ markedly by account, with some showing strong lift and others seeing higher CPA alongside higher conversion volume. Run your own experiment before treating 7% as a projection.
Do I lose keyword control when using AI Max?
No. AI Max operates alongside your existing keyword list, not in place of it. Your keywords remain active and continue generating traffic. What AI Max adds is the ability to capture relevant queries beyond your keyword list using intent signals and website content. Your negative keyword lists remain fully active and are one of the most important inputs for controlling what the expanded query pool includes. Brand controls and URL controls give you additional levers that Performance Max does not provide. The risk is enabling Final URL Expansion without restricting it to a verified URL feed, which can send traffic to unplanned pages. Configure URL controls before enabling that feature.
Should I migrate DSA campaigns to AI Max now or wait for the auto-migration?
Migrate now on your own terms. The auto-migration in February 2027 defaults to the most aggressive AI Max configuration, with all three features enabled and Final URL Expansion set to full site expansion. Manual migration lets you configure brand controls, URL restrictions, and text guidelines before the expanded query matching begins, which is significantly safer than inheriting defaults you then have to correct. Migrating in the summer also means your AI Max campaigns will have several months of learning data before Q4, rather than going through the initial learning period during your most important trading period of the year.
Managing Platform Transitions Without Disrupting Performance
Platform transitions in Google Ads are operationally complex in ways that the announcement blog posts do not capture. The DSA-to-AI Max migration requires exporting historical data, configuring controls correctly before activating features, running experiments with proper measurement, and monitoring for the specific failure modes that come with expanded query matching. The Smart Campaign sunset requires auditing API workflows and building migration paths that preserve client performance through the change.
Black Propeller manages paid search accounts through exactly these kinds of transitions. If you are running DSA campaigns that need to migrate, Smart Campaigns that need to move to Performance Max, or if you are evaluating whether AI Max belongs in your current account structure, visit our paid search service page or contact us to discuss your specific situation. You can also see how we have handled prior Google platform transitions for clients across home services, ecommerce, healthcare, legal, and B2B on our case studies page.
