Comparison

Azure Cosmos DB vs MongoDB

On the evidence we track, MongoDB leads this comparison with a composite score of 75/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Azure Cosmos DB49
MongoDB75
Score
Vioscale score
Azure Cosmos DB49 / 100low · 31%
MongoDB75 / 100medium · 71%
Pricing
Free tier
Azure Cosmos DB
MongoDB
Model
Azure Cosmos DBfreemium
MongoDBcommercial
Price level
Azure Cosmos DBlow
MongoDBlow
Transparent
Azure Cosmos DB
MongoDB
Integrations
Count
Azure Cosmos DB
MongoDB7
Security
Disclosure policy
Azure Cosmos DB
MongoDB
Fedramp
Azure Cosmos DB
MongoDB
Gdpr
Azure Cosmos DB
MongoDB
Hipaa
Azure Cosmos DB
MongoDB
Iso27001
Azure Cosmos DB
MongoDB
Pci
Azure Cosmos DB
MongoDB
Scorecard
Azure Cosmos DB
MongoDB4.7
Soc2
Azure Cosmos DB
MongoDB
Reliability
Sla pct
Azure Cosmos DB
MongoDB99.995
Status page
Azure Cosmos DB
MongoDB
Adoption
Dependent repos
Azure Cosmos DB
MongoDB8
Github stars
Azure Cosmos DB
MongoDB28,507
Stackoverflow questions
Azure Cosmos DB
MongoDB170,000
Activity
Commits last 30d
Azure Cosmos DB
MongoDB100
Release
Cadence days
Azure Cosmos DB
MongoDB30
License
Spdx
Azure Cosmos DB
MongoDBSSPL-1.0
Language
Primary
Azure Cosmos DB
MongoDBC++
Content
Faq
Azure Cosmos DB
MongoDB8 items

Capabilities

Feature-by-feature on the axes that matter for nosql databases. “-” means undocumented, not absent.

Core
Data model
Azure Cosmos DBMulti-model
MongoDBDocument
Query
Query language
Azure Cosmos DB-
MongoDBMQL / document API
Consistency
Consistency
Azure Cosmos DB-
MongoDBTunable
Transactions
Transactions
Azure Cosmos DB-
MongoDBMulti-item ACID
Indexing
Secondary indexes
Azure Cosmos DB-
MongoDBYes
Scale
Partitioning / sharding
Azure Cosmos DB-
MongoDBAutomatic
Multi-region
Azure Cosmos DB
MongoDB
Replication
Replication topology
Azure Cosmos DB-
MongoDBPrimary-secondary
Deployment
Hosting
Azure Cosmos DBCloud only
MongoDBCloud + self-hosted
Schema
Schema
Azure Cosmos DBSchemaless
MongoDBSchemaless
Features
TTL / auto-expiry
Azure Cosmos DB-
MongoDB
Change streams / CDC
Azure Cosmos DB-
MongoDB
Vector / search built-in
Azure Cosmos DB
MongoDB
Licensing
Licence class
Azure Cosmos DBProprietary
MongoDBSource-available (SSPL/BSL)

What each one is

The product in its own terms, so the numbers below have context.

Azure Cosmos DB

Azure Cosmos DB is a NoSQL database service on Azure that prioritizes minimal latency and the ability to handle massive scale. It includes built-in vector search capabilities for AI-driven applications and is managed fully by Microsoft with no infrastructure to operate.

Independently observed

MongoDB

Leader

MongoDB is a distributed database platform available as a fully managed cloud service across multiple providers or as a self-hosted deployment. It supports JSON-like documents with flexible schemas, real-time querying, multi-region replication, ACID transactions, and integrated vector search for AI applications.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Azure Cosmos DB

Usage-basedFree tier
as of verify ↗

MongoDB

Leader
from $0.01/moHybridFree tier

Free tier available. Flex clusters from $8-$30/month. Dedicated clusters from $56.94/month. Enterprise Advanced available via contact sales.

  • FreeFree
    • Free forever
    • 512MB storage
    • Shared RAM and vCPU
  • Flex$0.011/hour (up to $30/month)
    • 5GB storage
    • Shared RAM and vCPU
    • On-demand burst capacity
    • Up to $30/month
  • DedicatedStarts at $56.94/month
    • Dedicated resources
    • Configurable storage and compute
    • M10 through M700 cluster tiers
    • Multiple regions available
  • Enterprise AdvancedContact sales
    • Ops Manager
    • Kubernetes Operator
    • Enterprise security features
    • BI integration
    • Commercial license
    • +1 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Azure Cosmos DB
MongoDB
CLI
Azure Cosmos DB
MongoDB
Deployment
Cloud / SaaS
Azure Cosmos DB
MongoDB
Self-hosted
Azure Cosmos DB
MongoDB
Hybrid
Azure Cosmos DB
MongoDB

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Azure Cosmos DB

Not documented yet.

MongoDB

Leader
7 total
  • Vertex AI
  • BigQuery
  • Datastream
  • Google Kubernetes Engine
  • Looker
  • Apigee
  • Apache Kafka
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.