Human vs AI creative signal
Where human-led content earns its cost, and where AI iterations win on efficiency — for Norwegian B2C audiences, at placement grain.
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Synthetic · prototype
Provenance
The core contrast
CTR against cumulative frequency. Shorter half-life = faster fatigue.
| Provenance | CTR ‰ | Saves ‰ | ROAS | Half-life |
|---|
Decision matrix
Verdict by channel × placement
Let the data decide — min-sample gated, placement-level.| Channel | Placement | Verdict | Human ROAS | AI ROAS | Human CTR‰ | AI CTR‰ | Conf. |
|---|
Human wins
AI wins
No difference
Insufficient data
Placement affinity
Lo-fi wins vertical; polished wins feed
Alerts
AI-exhaustion
Forward
Opportunities
Norwegian compliance
Flagged for review
Flagged, never auto-resolved.
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Recommend-only · evidence over opinion