Neo4j AuraDB Instance Size and Price details

The available size of an AuraDB Instance and its cost is displayed when you click on the Create Instance option on the console page.

You will see the different sizes and resources available along its cost details if you select the Aura DB Professional Tier:

The updated pricing details can be found here: https://neo4j.com/cloud/aura/pricing/ 
For example:
An AuraDB Instance priced at $0.18/hour will cost you 24 hours x $0.18/hours * 30 days = $129.60 per month.

Unit price (Per GB-hour) 

You will be able to see a breakdown of 'Unit price (Per GB-hour) and Usage (GB-hour(s)) in the Aura Console under the 'Current Month Usage' section.

The actual hourly cost is calculated by multiplying the Per GB-hour with the Memory size of the instance.
So, if an 8GB memory instance is run for one hour, you would have used 8GB hours.

At the time of writing this article (May 2023), the Unit price (Per GB-hour) of an AuraDB instance is $0.09, and that of an AuraDS instance is $0.125

With a Unit price (Per GB-hour) of $0.09 and 8 GB usage hours, a running 8GB (Memory) AuraDB instance would cost $0.72 per hour (8 x $0.09 )
With a Unit price (Per GB-hour) of $0.125 and 8 GB usage hours, an 8GB (Memory) AuraDB instance would cost $1.00 per hour (8 x $0.125 )

To keep things simple, you can use the hourly price shown during instance creation as a point of reference.

Please refer to the Neo4j Aura Billing FAQ article for more details.