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Amazon DocumentDB pricing
As aws.amazon.com lists them, read 22 Sept 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| Serverless — Standard | 0.5 DCU starting capacity · 0.5 DCU capacity increments · Up to 15 read replicas | On request |
| Serverless — I/O-Optimized | 0.5 DCU starting capacity · 0.5 DCU capacity increments · Up to 15 read replicas | On request |
| Provisioned On-Demand — Standard | 10-minute minimum billing period · Up to 15 read replicas | On request |
| Provisioned On-Demand — I/O-Optimized | 10-minute minimum billing period · Up to 15 read replicas | On request |
| Amazon DocumentDB free trial | Free for 30 days for eligible new users · 750 hours/month of db.t3.medium · 30 million I/Os · 5 GB storage · 5 GB backup storage | Free |
| Free trial | 30 days · 750 db.t3.medium instance-hours/month · 30 million I/Os · 5 GB storage · 5 GB backup storage | Free |
| Amazon DocumentDB Serverless (Standard) | $0.0822 per DCU-hour in the US East (N. Virginia) pricing example; capacity billed per second · 0.5 DCU minimum · 0.5 DCU increments · compute example excludes storage and other costs | $0.08 a month |
| Amazon DocumentDB Serverless (I/O-Optimized) | $0.0905 per DCU-hour in the US East (N. Virginia) pricing example; capacity billed per second · 0.5 DCU minimum · 0.5 DCU increments · compute example excludes storage and other costs | $0.09 a month |
| DocumentDB Standard | On-demand instances per second with 10-minute minimum; storage and I/O usage billed separately · Storage as low as $0.10/GB-month · I/O $0.20 per million requests in pricing example · backup storage equal to data storage free | On request |
| DocumentDB I/O-Optimized | On-demand instances per second with 10-minute minimum; storage billed separately · No database I/O charge · pricing example uses $0.3047/hour db.r5.large and $0.30/GB-month storage | On request |
| DocumentDB Serverless | DocumentDB Capacity Units billed per second · Starts at 0.5 DCU · Standard example $0.0822 per DCU-hour · I/O-Optimized example $0.0905 per DCU-hour · up to 15 read replicas | On request |
From aws.amazon.com, aws.amazon.com.