MongoDB vs Redis
No clear leader: MongoDB (75.6) and Redis (73.9) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for databases. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
MongoDB
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.
Redis
Redis is an in-memory data structure server that provides caching, real-time messaging, and searching at sub-millisecond latency. It supports diverse data types including JSON, time series, and Bloom filters, available as open-source software or managed cloud services.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
MongoDB
Free M0 tier; flex clusters from $8/month; dedicated clusters from $25/month
- M0Free
- 512 MB storage
- 32 MB sort memory
- 100 operations per second
- shared vCPU
- replica set deployments
- Flex Clusters$8 to $30 per month based on usage
- Dedicated ClustersStarting at $25/month through $56.94/month for higher tiers
- dedicated vCPUs
- replica sets and sharded clusters
- auto-scaling
- fully featured Atlas access
Redis
Free open source, plus managed cloud tiers and self-managed enterprise software
- Redis Open SourceFree
- Redis Cloud Essentials-
- Redis Cloud Premium-
- Redis Cloud EnterpriseContact sales
- Redis Enterprise Software-
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
MongoDB
- Vertex AI
- BigQuery
- Datastream
- Google Kubernetes Engine
- Looker
- Apigee
- Apache Kafka
- Google Vertex AI
- Google Cloud BigQuery
- Google Cloud Datastream
- Google Cloud Functions
- Kubernetes
Redis
- Oracle
- PostgreSQL
- MySQL
- MariaDB
- Percona XtraDB
- Microsoft SQL Server
- MongoDB
- Cassandra
- Google Cloud SQL
- Grafana
- Prometheus
- AWS
- Microsoft Azure
- Google Cloud
- Python
- Node.js
- Java
- Go
- .NET
- Datadog
- New Relic
MongoDB or Redis: 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.