Terrgrunt vs workspace

what is the (dis)advantage/best practices of using terragrunt over workspaces?
The state management is in the terra cloud right now. I’m transitioning from a single aws account to a multi aws account architecture.

already read What are the pros/cons of using Terragrunt versus Terraform Workspaces when instantiating modules? · Discussion #92 · gruntwork-io/knowledge-base · GitHub