Meta’s Andromeda Update: What It Means for Facebook and Instagram Advertising
Meta has introduced a major update to the way ads are delivered across Facebook and Instagram. The new system, called Andromeda, uses artificial intelligence to improve how ads are matched with users.
Fully rolled out globally around October 2025, this update is designed to help Meta analyse millions of ads more efficiently and show people the content they are most likely to engage with.
For businesses running paid social campaigns, this means campaign strategy is evolving. Advertisers still need the right campaign structure and targeting, but creative quality and data signals now play an even bigger role in performance.
What Is Meta’s Andromeda Advertising System?
Andromeda is Meta’s rebuilt ad delivery engine, designed to process huge volumes of ads and user signals more efficiently.
Before this update, Meta’s advertising system relied on multiple separate models and rule-based processes to filter and deliver ads. Because of the scale of ads competing for space, personalisation in the early stages of delivery was limited.
Andromeda improves this by using AI to evaluate ads more quickly and accurately.
The system scans millions of available ads, narrows them down to a shortlist based on relevance and user signals, and then selects the best candidates to appear in a person’s feed.
How Andromeda Chooses Which Ads to Show
The process works in three main stages:
1. Large-scale scanning
The system scans millions of ads across Meta’s platforms.
2. AI-driven shortlisting
Using signals such as user behaviour, engagement history and relevance predictions, Andromeda narrows the list down to a few thousand potential ads.
3. Final selection
Meta’s ad delivery systems then choose the ads most likely to perform well for that individual user.
This entire process happens in milliseconds, helping Meta deliver more relevant ads and improve overall campaign performance.
Why Creative Matters More Than Ever
One of the biggest implications of Andromeda is the growing importance of ad creative.
Because the algorithm now analyses a wider range of signals, the content of the ad itself plays a larger role in determining how it performs.
This means businesses should focus on producing strong creative that clearly communicates their message and captures attention.
Effective campaigns often include:
- high-quality visuals or video
- clear and compelling messaging
- multiple ad variations for testing
- creative formats suited to social media
Rather than relying on a single ad, successful campaigns now benefit from testing different creative approaches and allowing the system to learn which ones perform best.
Why Campaign Strategy Still Matters
Although Meta’s platform is becoming more automated, campaign structure and targeting are still important.
Advertisers still need to define campaign objectives, set up the right audiences and ensure the platform has the right signals to optimise delivery.
What has changed is how these elements work together.
The most successful campaigns now combine:
- smart audience strategy
- well-structured campaign setups
- strong creative content
- ongoing optimisation based on performance data
This is why experienced campaign management is still essential for achieving consistent results.
Why Creative Production Is Increasing
Another impact of Andromeda is the growing need for a steady flow of creative assets.
Because the algorithm can test and learn from different ad variations, campaigns perform better when there are multiple creatives available.
Many businesses are now investing in:
- short-form video ads
- multiple design variations
- regular creative refreshes
- ongoing testing
This allows Meta’s AI systems to identify which ads resonate most with different audiences.
What This Means for Businesses
In simple terms, Andromeda is shifting how advertisers work with Meta’s platform.
Instead of focusing only on narrow targeting strategies, businesses should take a more balanced approach that includes:
- clear campaign strategy
- effective audience targeting
- high-quality creative
- continuous testing and optimisation
The businesses that succeed will be the ones that combine strong creative with well-managed campaign strategy.
The Future of Paid Social Advertising
Andromeda is part of a wider trend across digital marketing. Platforms are increasingly using artificial intelligence to understand user behaviour and optimise performance automatically.
For businesses, this means digital advertising is becoming more data-driven and more dependent on strong creative content.
Understanding how these systems work and adapting campaign strategies accordingly will be key to staying competitive.
If you are running Facebook or Instagram ads and want to make sure your campaigns are aligned with Meta’s latest AI updates, get in touch with Innermedia to discuss how we can help optimise your paid social strategy.
FAQs: Meta’s Andromeda Advertising System
What is Meta’s Andromeda system?
Meta’s Andromeda system is an AI-powered advertising engine used to deliver ads across Facebook and Instagram. It analyses millions of available ads and uses user behaviour, engagement signals and relevance predictions to determine which ads are most likely to perform well for each person. The system was rolled out globally in 2025 and is designed to improve ad performance and personalisation.
How does Meta’s Andromeda algorithm choose ads?
The Andromeda algorithm scans millions of ads and uses artificial intelligence to shortlist the most relevant ones for a user. It evaluates signals such as previous engagement, interests and browsing behaviour. From this shortlist, Meta’s delivery system selects the ads most likely to drive engagement, conversions or other campaign goals.
How does the Andromeda update affect Facebook advertising?
The Andromeda update improves how ads are matched with users, making Meta’s advertising platform more AI-driven. Advertisers should focus on strong campaign structure, clear objectives and high-quality creative because the algorithm uses these signals to optimise delivery. Testing different ad formats and creatives can also improve results.
Is audience targeting still important in Meta ads?
Yes, audience targeting is still an important part of Meta advertising. However, with the introduction of AI systems like Andromeda, advertisers are increasingly combining strategic targeting with broader audiences and allowing the platform’s algorithm to optimise delivery based on user behaviour and engagement signals.
Why is ad creative becoming more important on Meta?
Ad creative plays a major role in performance because Meta’s AI systems analyse the content of ads to understand which users are most likely to engage with them. High-quality visuals, video content and clear messaging help the algorithm match ads to the right people and improve campaign results.
What should businesses do after the Andromeda update?
Businesses should review their paid social strategies and ensure their campaigns include strong creative assets, well-structured campaign setups and clear objectives. Regular testing and optimisation can help Meta’s AI systems learn faster and improve advertising performance.
