MongoDB Atlas pricing: tiers, seat costs, and hidden fees

Short answer

Free M0 sandbox up to M300 enterprise tier. Real bills include backups, egress, and Atlas Search add-ons that often double sticker price.

Last verified: 2026-05-17 Model: month Official pricing

Public pricing tiers

TierMonthlyAnnual monthly equivalentNotes

M0 Free $0 month $0 month 512MB storage, shared RAM/vCPU.

Flex $8 month $8 month $0.011/hr, up to 5GB storage, scales with ops/sec.

M10 Dedicated $57 month $57 month $0.08/hr, 2GB RAM, 2 vCPU, 10-128GB storage.

M30 Dedicated $388 month $388 month $0.54/hr, 8GB RAM, fork/follow support.

M80 Dedicated $5,256 month $5,256 month $7.30/hr, 128GB RAM, 32 vCPU.

MongoDB Atlas cost calculator

For 10 seats on Flex, current public pricing implies $8 per month when annual pricing is available, or $8 month-to-month.

Sample stack cost at named team sizes

MongoDB Atlas monthly cost projection by team size, based on public per-seat pricing.
Tier	10 seats / month	25 seats / month	50 seats / month
M0 Free	$0	$0	$0
Flex	$8	$8	$8
M10 Dedicated	$57	$57	$57
M30 Dedicated	$388	$388	$388
M80 Dedicated	$5,256	$5,256	$5,256

Math: per-seat tiers multiplied by seat count. Flat-fee tiers stay constant. Does not include add-ons, support tiers, implementation, or usage overages.

Hidden fees and quote risks

Data transfer egress billed at cloud provider rates on top of cluster cost.
Backup storage region-dependent, charged per GB/month.
MongoDB Search adds $0.13-$3.27/hour for S20-S80 dedicated CPU.
Vector Search $0.12-$4.22/hr; Stream Processing $0.06-$2.49/hr.
Atlas Data Federation $5/TB processed with a 10MB minimum per query.

Enterprise notes

Enterprise Advanced is quote-only for self-managed deployments with Ops Manager, Kubernetes Operator, and enterprise security.

Closest alternatives

Other managed document database tools buyers shortlist when they compare MongoDB Atlas.

DynamoDB Not yet covered

Couchbase Not yet covered

PostgreSQL Not yet covered

Sources

Official MongoDB Atlas pricing page

Pricing changes frequently. Confirm directly with the vendor before purchase.

Frequently asked questions

How much does MongoDB Atlas cost?

MongoDB Atlas pricing depends on its Hourly cluster tier + usage add-ons. The page lists public tiers and flags custom or usage-based items that require vendor confirmation.

What is the main hidden fee risk for MongoDB Atlas?

Data transfer egress billed at cloud provider rates on top of cluster cost.

Which MongoDB Atlas alternatives should buyers compare?

DynamoDB, Couchbase, PostgreSQL are the closest alternatives most procurement teams compare against MongoDB Atlas.