vioscaleAI
Comparison

Azure Cosmos DB vs MongoDB

On the evidence we track, MongoDB leads this comparison with a composite score of 76/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Azure Cosmos DB full profile →MongoDB full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Azure Cosmos DB57
★MongoDB76
Score
vioscaleAI score
Azure Cosmos DB57 / 100low · 31%
MongoDB76 / 100medium · 71%
Pricing
Free tier
Azure Cosmos DB✓
MongoDB✓
Model
Azure Cosmos DBfreemium
MongoDBfreemium
Price level
Azure Cosmos DBlow
MongoDBmid
Starting price
Azure Cosmos DB–
MongoDB$56.94
Transparent
Azure Cosmos DB✓
MongoDB✓
Integrations
Count
Azure Cosmos DB–
MongoDB6
Security
Certifications
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–
MongoDB4.8
Soc2
Azure Cosmos DB–
MongoDB✓
Trust center
Vulnerabilities
Reliability
Sla pct
Azure Cosmos DB–
MongoDB99.99
Status page
Azure Cosmos DB✓
MongoDB✓
Adoption
Dependent repos
Azure Cosmos DB–
MongoDB8
Github stars
Azure Cosmos DB–
MongoDB28,614
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++
Market
Availability
Content
Faq
Azure Cosmos DB6 items
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 fully managed cloud database that uses flexible document-based storage and supports complex queries, analytics, and advanced search capabilities including vector and full-text search functionality.

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

Free tier
as of verify ↗

MongoDB

Leader
from $56.94/moHybridFree tier

Free tier (512MB), Flex from $8–$30/month, Dedicated from $56.94/month

  • Free (M0)Free
    • 512MB storage
    • 32MB sort memory
    • 100 ops/sec
    • shared vCPUs
    • replica set
  • Flex Clusters$8–$30/month based on usage
    • hourly billing
    • monthly invoices
  • Dedicated ClustersFrom $56.94/month
    • dedicated resources
    • auto-scaling
    • horizontal scaling via sharding
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✓
macOS
Azure Cosmos DB✗
MongoDB✓
Windows
Azure Cosmos DB✗
MongoDB✓
Linux
Azure Cosmos DB✗
MongoDB✓
CLI
Azure Cosmos DB✗
MongoDB✓
Deployment
Cloud / SaaS
Azure Cosmos DB✓
MongoDB✓
Self-hosted
Azure Cosmos DB✗
MongoDB✓
On-premise
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
12 total
  • Vertex AI
  • BigQuery
  • Datastream
  • Google Kubernetes Engine
  • Looker
  • Apigee
  • Apache Kafka
  • Google Vertex AI
  • Google Cloud BigQuery
  • Google Cloud Datastream
  • Google Cloud Functions
  • Kubernetes
Independently observed
Still deciding?

Azure Cosmos DB or MongoDB: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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