Is AS Billed?

AS is free of charge. The pay-per-use instances automatically created in an AS group are billed. EIPs used by the instances are also billed. When the capacity of an AS group is reduced, the automatically created instances will be removed from the AS group and be deleted. After the deletion, these instances are no longer billed. The instances manually added are removed from the AS group but still billed. If you do not need the instances, unsubscribe instances on the ECS console.

For example, two instances are created when an AS group scales out. The AS group scales in after an hour. The two instances are removed from the AS group and are billed for the one-hour usage.