ARTFEED — Contemporary Art Intelligence

Generative AI and Adaptive Testing Boost Ad Creative Performance by 45%

ai-technology · 2026-07-29

A recent study published on arXiv introduces an offline-to-online approach for optimizing ad creatives through generative models and adaptive testing. This technique employs a predictive model developed from past A/B tests to evaluate and enhance outputs from generative models during the offline stage, followed by the implementation of a final test slate in an online adaptive experiment. In a field experiment featuring 50 arms, the top AI-generated creative outperformed the best human-created content by 45.1% in terms of engagement, with comparable upper-tail improvements observed in two other experiments.

Key facts

  • arXiv paper 2607.23696 proposes offline-to-online creative optimization.
  • Generative models produce many creatives but evaluation requires online experiments.
  • A predictive model trained on historical A/B tests guides generation as an inference-time critic.
  • Offline phase ranks and refines variants from a generative model.
  • Final slate tested in an online adaptive experiment.
  • 50-arm field experiment showed 45.1% higher engagement for AI creative vs. best human creative.
  • Two additional experiments confirmed the same upper-tail pattern.
  • The study focuses on ad creative optimization constrained by evaluation.

Entities

Institutions

  • arXiv

Sources