1. Scalability: AWS Elastic Beanstalk is a fully managed service that automatically handles the scaling of your application based on traffic, CPU, and other metrics, allowing for seamless scaling up or down. On the other hand, OpenResty requires manual configuration for scaling, making it less automated and more hands-on in terms of scalability management.

2. Deployment Options: AWS Elastic Beanstalk supports a wide range of programming languages, frameworks, and container types, providing flexibility in deployment options. In contrast, OpenResty is more focused on Nginx-based web application development and may have limitations in terms of supported languages and frameworks, restricting deployment choices.

3. Automatic Environment Provisioning: AWS Elastic Beanstalk automatically provisions underlying resources like EC2 instances, load balancers, and databases based on the specified configuration, simplifying the setup process. OpenResty may require more manual setup and configuration of the environment, resulting in a potentially longer deployment time.

4. Monitoring and Management: AWS Elastic Beanstalk comes with built-in monitoring and management tools, allowing users to easily track application performance, view logs, and manage configurations through the AWS Management Console. OpenResty may require additional configuration or third-party tools for monitoring and management purposes, adding complexity to the setup.

5. Integration with AWS Services: AWS Elastic Beanstalk seamlessly integrates with other AWS services such as Amazon RDS, S3, and CloudWatch, making it easier to leverage the full capabilities of the AWS ecosystem. OpenResty may have limitations in terms of integration with AWS services, requiring additional configuration or customization to achieve similar levels of integration.

6. Cost Management: AWS Elastic Beanstalk offers a pay-as-you-go pricing model, allowing users to only pay for the resources they consume without any upfront costs. OpenResty deployments may involve more manual resource management and cost analysis, potentially leading to higher operational expenses if not carefully monitored.

In Summary, AWS Elastic Beanstalk provides a more automated, scalable, and integrated deployment platform compared to OpenResty, which may require more manual configuration and management for scalability, deployment, and integration with other services.