Redis vs Valkey for Production Multi-Vendor Marketplace in 2.4.9

We are setting up a new Magento Open Source 2.4.9 multi-vendor marketplace on AWS.

Our planned stack is:

Magento Open Source 2.4.9
Hyvä Theme  
AWS
OpenSearch
Nginx
MySQL

We are currently deciding between Redis and Valkey for Magento cache and session storage.

Question:

For Magento 2.4.9, which option is currently recommended for production environments: Redis or Valkey?