Uplifting conversion across the acquisition funnel with personalization using contextual bandits on AWS
Amazon Payments achieved single-digit conversion lift using contextual bandits on SageMaker—but the constraint wasn't the model, it was the content.

Why it matters
A real case study in personalization infrastructure: how to pick which AI-generated variant to show each customer, and why production personalization often bottlenecks on content strategy, not ML capability.
The key facts
10 to knowAmazon Payments deployed multi-objective contextual bandit on Amazon SageMaker
High single-digit conversion lift for one audience segment
Key finding: content quality/variety was the constraint, not the model
Use case: personalization across acquisition funnel using generative AI variants
Technology: contextual bandits for real-time variant selection
Amazon Payments deployed multi-objective contextual bandit on Amazon SageMaker AI
Achieved high single-digit conversion lift for one audience segment
Key finding: content was the constraint, not the model
Use case: personalization of acquisition funnel variations
Platform: AWS (SageMaker, Bedrock context implied)
Go to the source
AWS Machine Learning Blogaws.amazon.com
Publisher excerpt: 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,…