Say Goodbye to Off-Brand Copy — Meta Lets Marketers Ban AI Terms

Meta has introduced a new tool to give advertisers greater control over its AI-generated ad copy, with marketers now able to specify words they want excluded from in-stream ad variations.

As shown in an example shared by Meta ads specialist Jon Loomer, a new “Restricted Words” option has been added within the Advantage+ campaign setup. This feature allows advertisers to block certain terms from appearing in automatically generated ad text.
Meta explains it this way:
“Specify if there are certain words or phrases you don’t want to appear in AI-generated text options and we’ll exclude them in Advantage+ Creative text generation.”
In practice, this means that if there are descriptors or terms that don’t align with your brand’s identity, you can ensure they won’t appear in alternate copy drafts produced by Meta’s system.
This update builds on Meta’s growing suite of branding controls for its AI ad tools. These already include options to maintain consistent brand elements within visual AI outputs, ensuring that creative generations reflect an advertiser’s unique style.
The broader aim is clear: Meta is steadily moving toward a full end-to-end AI ad creation flow. The company has long suggested that in the near future, an advertiser may be able to input nothing more than a URL, and Meta’s AI will handle the rest—crafting visuals, copy, targeting suggestions, and campaign structure.
Even so, manual guardrails will remain critical for most businesses, and features like Restricted Words are designed to give marketers confidence that automation won’t override brand identity.
Meta already offers a wide range of AI-powered creative functions, from generating images and videos from text prompts, to adding backgrounds, adapting product shots to different formats, and producing ad copy variations.
And the results are tangible. In its Q2 earnings report released in July, Meta revealed that its AI-powered ad recommendation model drove a 5% increase in ad conversions on Instagram and a 3% lift on Facebook. Those gains may sound incremental, but they represent meaningful improvements at Meta’s scale, signaling steady advances in automated targeting and optimization.
For advertisers, the ability to exert more precise control over AI-generated outputs is another important step forward. By balancing automation with brand safeguards, Meta is positioning its AI tools not just as creative engines, but as reliable partners in campaign performance.
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