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SPECIFICTION
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Azure DocumentDB

azure.microsoft.com

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Spec score 6.5 #23 of 28 in Document Databases

What it is

Azure DocumentDB is a document database for applications using BSON and JSON. It supports transactions and vector search, with a maximum document size of 16.0 MB. Deployment options include managed cloud and another deployment model; listed platforms are Linux, macOS, and Windows. The Free Tier is billed Free for the life of the cluster and includes 32 GB of storage and one free database server per subscription. Fixed M-series plans provide different node capacities: M10 starts with 1 vCore and 2 GiB of memory per node, while M300 lists 96 vCores and 384 GiB per node. Between those are configurations with varying memory and compute, including burstable vCores on M25. M200-Autoscale is billed hourly according to usage and offers up to 64 vCores and 256 GiB of memory. Prices for the listed paid tiers are displayed as $-, with actual amounts depending on region and currency. This gives prospective users concrete capacity specifications alongside the free cluster allowance.

Plans and prices

Free Tier Priced on request Free for the life of the cluster 32 GB storage · 1 free database server per subscription Read 22 Sep 2026 · azure.microsoft.com
M10 Priced on request Price displayed as $-; actual amount depends on region and currency 1 vCore per node · 2 GiB memory per node Read 22 Sep 2026 · azure.microsoft.com
M20 Priced on request Price displayed as $-; actual amount depends on region and currency 2 vCores per node · 4 GiB memory per node Read 22 Sep 2026 · azure.microsoft.com
M25 Priced on request Price displayed as $-; actual amount depends on region and currency 2 burstable vCores per node · 8 GiB memory per node Read 22 Sep 2026 · azure.microsoft.com
M30 Priced on request Price displayed as $-; actual amount depends on region and currency 2 vCores per node · 8 GiB memory per node Read 22 Sep 2026 · azure.microsoft.com
M40 Priced on request Price displayed as $-; actual amount depends on region and currency 4 vCores per node · 16 GiB memory per node Read 22 Sep 2026 · azure.microsoft.com
M50 Priced on request Price displayed as $-; actual amount depends on region and currency 8 vCores per node · 32 GiB memory per node Read 22 Sep 2026 · azure.microsoft.com
M60 Priced on request Price displayed as $-; actual amount depends on region and currency 16 vCores per node · 64 GiB memory per node Read 22 Sep 2026 · azure.microsoft.com
M80 Priced on request Price displayed as $-; actual amount depends on region and currency 32 vCores per node · 128 GiB memory per node Read 22 Sep 2026 · azure.microsoft.com
M200 Priced on request Price displayed as $-; actual amount depends on region and currency 64 vCores per node · 256 GiB memory per node Read 22 Sep 2026 · azure.microsoft.com
M200-Autoscale Priced on request Price displayed as a range of $- - $-; billed hourly according to usage Up to 64 vCores · Up to 256 GiB memory Read 22 Sep 2026 · azure.microsoft.com
M300 Priced on request Price displayed as $-; actual amount depends on region and currency 96 vCores per node · 384 GiB memory per node Read 22 Sep 2026 · azure.microsoft.com

Every Azure DocumentDB plan and price →

Strong points and limits

Strong points

  • Supports BSON and JSON documents.
  • Includes transactions and vector search.
  • Free Tier includes 32 GB of storage.
  • Free Tier lasts for the life of the cluster.
  • Maximum document size is 16.0 MB.

Limits

  • Paid plan amounts depend on region and currency.
  • Paid tier prices are displayed as $-.
  • Free Tier includes one database server per subscription.

Who it suits

It suits application teams that need BSON or JSON document storage with transactions or vector search. The Free Tier may fit those considering a cluster with a stated storage allowance, while the M-series options provide specified node capacities.

Verdict

Azure DocumentDB specifies a free cluster allowance and a range of node capacities, alongside support for transactions and vector search. The displayed paid-tier amounts are placeholders, so regional pricing remains a consideration.

Where Specifiction places it

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