With Purpose, you are charged based on the quantity of data processed for sensitive data discovery.
You can control what data sources will be scanned and how frequently. Purpose only charges for the bytes processed in supported object types it inspects. As part of Purpose scans, you will also incur the standard AWS charges.
Free tier: The first 1 GB processed every month are free. For each GB processed beyond the first 1 GB, charges will occur as defined in the pricing table below.