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AI Lookalike Audiences: A Complete Guide

by Jan 31, 2025Audience Targeting, Social Media Advertising0 comments

A pixelated graphic of a brain, representing Deep Sync AI lookalike audiences

As artificial intelligence (AI) continues to change the marketing industry in new and exciting ways, it’s reshaping how brands identify, understand, and connect with their ideal audiences. In the past, creating lookalike audiences was a multi-step process that relied on either in-house data expertise or audience-building capabilities within walled gardens. Fortunately, AI is making this process easier and more efficient than ever, while still delivering accurate results.

AI-powered lookalike audiences can help marketers leverage the intelligence of their current customer data to easily model new, relevant social prospect audiences—without relying on walled gardens.

What is a Lookalike Audience?

A lookalike audience is an audience of new prospects created to mirror your existing customers. These new potential customers share characteristics, like interests or demographics, with your current customers. These similarities make them more likely to be interested in your product or service and more likely to respond to your ads.  

Depending on the audience creation process, lookalike audiences can be used on individual channels or for omnichannel campaigns. Demographic, omnichannel lookalike audiences that use a brand’s customer data as a seed for modeling are powerful tools to grow advertising efforts while maintaining audience quality. 

What is an AI Lookalike Audience?

An AI lookalike audience is exactly what it sounds like: a lookalike audience created with the help of artificial intelligence. Using a brand’s first-party data, AI can create custom prospect audiences and provide insights into a brand’s customer base.

Audience AI Solutions: The Future of Advertising

AI audience-building processes are only going to become more accurate and widely used over time. According to MNTN research:

  • 92% of brands and agencies believe that the biggest opportunity for AI is improving the efficiency of existing processes—like building lookalike audiences.
  • 85% of brands and agencies are already using—or planning to use—AI in an advertising-related capacity.
  • 55% of brands and agencies with the largest budgets are already using AI to improve their audience-building and targeting processes. 

These statistics clearly show that AI-based audience solutions are going to be a significant disruptor in the advertising industry in the near future.

Deep Sync AI Lookalike Audiences

Through the Deep Sync One platform, advertisers can easily build lookalike audiences with the help of artificial intelligence. The AI-powered lookalike audience builder helps brands seamlessly leverage insights from their current customer data and identify new prospect audiences with similar qualities.

Deep Sync AI Lookalike Audiences use AI and machine learning approaches to generate demographically focused consumer profiles where matches can be made between a brand’s first-party data and our multi-dimensional, offline-to-online identity graph. This helps brands discover demographic similarities that exist between their current customer profile and the available prospect audience.

Deep Sync AI lookalike audiences have 3 significant benefits for advertisers:

  1. These audiences are portable, enabling brands to accurately and confidently target the right audiences, at scale, across multiple social media destinations like Meta and TikTok.
  2. It’s possible to customize the size of a lookalike audience, making it easy to meet campaign requirements. 
  3. Since AI simplifies the audience-building process, brands don’t need to have in-house data experts to build these models. 

These features make Deep Sync’s AI lookalike audiences incredibly valuable for advertisers.


Build a Lookalike Audience on Deep Sync One, Today!

Access AI-powered lookalike audiences online and on-demand with the Deep Sync One platform. To get started, simply log in to one.deepsync.com, navigate to “Lookalike Audiences,”  and upload a customer file.

Once the audiences are configured, they can be delivered via direct integrations to Meta and TikTok, as well as other popular social destinations via Deep Sync’s partnership with LiveRamp.

Want to learn more?

  • Check out this blog post to learn more about the value of omnichannel lookalike audiences.
  • Download this product sheet for more details about Deep Sync’s lookalike audiences.

Contact us to inquire about Deep Sync One’s lookalike audiences or book a demo.

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A pixelated graphic of a brain, representing Deep Sync AI lookalike audiences