Pricing

Amazon Neptune pricing

As aws.amazon.com lists them, read 3 Oct 2026. The maker's own page has the final word.

Plan	Billed and limits	Price
On-demand	By the hour for database instances; storage and I/O are billed separately. · No minimum fees · No upfront fees · Cost varies by configuration and AWS Region	On request
Serverless	1 NCU starting capacity · Up to 15 read replicas	On request
Neptune Serverless	Per second for database capacity, plus storage while active. · Neptune Database only · Capacity measured in NCUs · Starting capacity 1 NCU	On request
Database Savings Plans	Commit to a specific amount of eligible usage, measured in $/hour, over a 1-year term. · Savings depend on commitment and eligible usage	On request