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Uplifting conversion across the acquisition funnel with personalization using contextual bandits on AWS

calendar_today October 1, 2026 person Chidi Prince John domain amazon-lex

Generative AI makes it cheap to produce personalized content at scale, but which variation do you show each customer? Amazon Payments used a multi-objective contextual bandit on Amazon SageMaker AI to personalize an acquisition funnel, achieving a high single-digit conversion lift for one audience, and learning why content, not the model, was the constraint.

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