Creative Formats & Assets
Outstream Ads
By the AdFlint research team · Last reviewed July 2026
Mobile-only video ads that play muted inside articles and apps on Google video partner sites, entirely outside YouTube itself.
The unit auto-plays without sound as someone scrolls, unmuting only on tap, and is billed on viewable CPM once it has been visibly playing for two seconds. It buys cheap incremental video reach beyond YouTube inventory. The mistake is expecting YouTube-quality attention: creative has to work silently with captions, and these impressions should be judged on reach rather than in-stream click-through.
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