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Meta’s Andromeda system penalises ads that are too similar. This guide explains what creative diversity means, why it matters for performance, and how to maintain it in your account.
Meta's ad delivery system is designed to show each user the most relevant ad from the available pool. When multiple ads in your account are too similar: same hook, same visual style, same message: the system has to choose between near-identical options and tends to consolidate spend on one, while the others get limited delivery. Creative diversity is the practice of maintaining enough distinct creative angles in your account that the delivery system has meaningful choices to make.
Creative diversity doesn't mean producing as many ads as possible. It means ensuring that the ads you have running are meaningfully different from each other: different enough that each one can find a distinct audience segment or moment. Meta's Andromeda retrieval engine looks for diversity across creative signals: visual style, hook approach, messaging angle, format, and CTA. Ads that share too many of these signals are functionally redundant to the delivery system: it sees them as the same ad and treats them accordingly.
These are related but distinct problems. Creative fatigue happens when a specific ad has been shown to a user (or users in a similar segment) too many times: the engagement rate drops as the audience becomes desensitised to it. Creative similarity happens when multiple different ads in your account are too similar to each other: the delivery system can't distinguish between them, so it consolidates spend rather than distributing it. Creative fatigue affects individual ad performance over time. Creative similarity affects how your budget is distributed across the account at any given moment. Both result in wasted spend, but they require different fixes.
The most practical way to audit creative diversity is to look at your ad account through the lens of content style, messaging theme, and hook tactic: the same dimensions that Wilow uses for AI creative tagging. Open your Creative Leaderboard in Wilow, filter by active ads, and look at the distribution. If 80% of your active ads are Product Shots with Benefit-Led messaging, you have low creative diversity. If you have UGC, Product Shots, and Demo content running alongside Benefit-Led, Social Proof, and Urgency copy, you're giving the delivery system real choices.
There's no universal target for how many distinct creative variants an account needs: it depends on budget, audience size, and how quickly creative fatigues for your specific product. Some practical guidelines: for awareness campaigns, 3–5 distinct creative angles running simultaneously; for conversion campaigns, 4–8 creatives at a time with enough spend behind each to accumulate meaningful data within a week; across content styles, aim for at least 2–3 different formats in active rotation.
Creative diversity isn't a one-time setup: it requires an ongoing production habit. As creatives fatigue or underperform, they need to be replaced with fresh variants. The Creative Leaderboard shows you which ads are at the bottom of the ranking (candidates for pause) and which content styles and messaging themes are underrepresented in your active pool. A practical workflow: when an ad enters the bottom 20% of the leaderboard and has meaningful spend, pause it. Then ask: which creative angle or content style is now missing from my active pool? Brief a new creative in that direction, informed by what's working at the top of the leaderboard. This keeps the diversity level stable while iterating toward better-performing angles.
Meta's Andromeda system retrieves candidate ads from a pool that now operates at a much larger scale than previous ad delivery systems: serving personalised ads to billions of users simultaneously, across a much wider range of interest signals. In this environment, having a diverse creative pool isn't just a best practice: it's the primary way you give the delivery system the raw material it needs to find the right ad for each user at each moment. Wilow is built around this reality. The Creative Leaderboard helps you see what's working. AI Creative Tagging helps you understand the creative characteristics behind what's working. Together, they give you a clear view of the diversity of your creative pool: so you can make informed decisions about what to produce next.