# MongoDB vs Redis

| Attribute | MongoDB | Redis |
|---|---|---|
| **vioscaleAI score** | 75.6 (72% (medium)) | 73.9 (75% (high)) |
| activity.commits_last_30d | 100 | 42 |
| adoption.dependent_repos | 8 | 1 |
| adoption.github_stars | 28,533 | 76,264 |
| adoption.stackoverflow_questions | 170,000 | 26,000 |
| content.faq | `[{"answer":"MongoDB is a document database that stores data in flexible, JSON-like formats rather than rigid relational tables. It is designed for modern application development and supports various workload types including operational transactions, real-time search, vector search for AI applications, and streaming data processing. The flexible schema allows applications to evolve without downtime or schema migrations.","source":"https://www.mongodb.com/docs/manual/introduction/","question":"What is MongoDB and what type of database is it?","confidence":0.95},{"answer":"MongoDB is open source under the Server Side Public License (SSPL) v1.0, which requires that enhancements to MongoDB be shared with the community. Drivers are licensed under Apache License 2.0. MongoDB also offers a commercial license for organizations whose legal requirements are incompatible with SSPL, and a separately available MongoDB Enterprise Advanced edition.","source":"https://www.mongodb.com/community/licensing","question":"Is MongoDB open source and what license does it use?","confidence":0.95},{"answer":"MongoDB provides official client libraries for almost all modern programming languages and is compatible with popular application frameworks. Common stacks include MERN (MongoDB, Express, React, Node.js) and MEAN (MongoDB, Express, Angular, Node.js). Developers can access language-specific API documentation and driver references for their chosen technology stack.","source":"https://www.mongodb.com/docs/","question":"What programming languages and frameworks does MongoDB support?","confidence":0.92},{"answer":"MongoDB offers three deployment models: MongoDB Atlas, a fully managed cloud service available on AWS, Azure, and Google Cloud; MongoDB Enterprise Advanced for self-managed on-premises or private cloud deployments; and MongoDB Community Edition for open-source local development. Each option provides different levels of automation, support, and operational responsibility.","source":"https://www.mongodb.com","question":"What deployment options are available for MongoDB?","confidence":0.93},{"answer":"MongoDB Atlas operates on a pay-as-you-go model with a free-forever M0 tier (512 MB storage) for learning and exploration, flexible hourly clusters for development, and dedicated clusters starting around $57 per month for production workloads. Enterprise Advanced pricing is custom and available through direct sales. Costs vary based on cluster size, storage, data transfer, and optional add-on services like vector search and stream processing.","source":"https://www.mongodb.com/pricing","question":"What is MongoDB's pricing model?","confidence":0.9},{"answer":"MongoDB includes encryption at rest and in transit via TLS/SSL, multiple authentication methods (SCRAM, X.509, Kerberos, LDAP, OIDC), role-based access control, queryable encryption, client-side field-level encryption, IP access lists, and audit logging. MongoDB Atlas comes preconfigured with secure default settings and supports network peering and private endpoints across major cloud providers.","source":"https://www.mongodb.com/docs/manual/security/","question":"What enterprise security features does MongoDB provide?","confidence":0.92},{"answer":"MongoDB uses flexible JSON-like documents instead of rigid table schemas, allowing data models to change without downtime. Embedded documents and arrays reduce the need for joins, which can improve query performance for certain workloads. The lack of enforced schemas supports polymorphic data structures where different documents in the same collection can have different fields, though this flexibility requires different application design patterns than relational databases.","source":"https://www.mongodb.com/docs/manual/introduction/","question":"What are the main differences between MongoDB and traditional relational databases?","confidence":0.93},{"answer":"Yes, MongoDB is a unified platform that combines operational data, vectors, and streaming in a single system. It includes vector search for semantic queries and AI-powered applications, stream processing via Apache Kafka integration using familiar MongoDB syntax, and real-time analytics with aggregation pipelines. This consolidation of multiple workload types can be more efficient than managing separate specialized databases.","source":"https://www.mongodb.com","question":"Can MongoDB handle real-time analytics, vector search, and streaming data?","confidence":0.91}]` | `[{"answer":"Redis is an in-memory data platform that stores and retrieves data at high speed, making it ideal for applications requiring real-time performance. It serves use cases including caching, session management, message queuing, leaderboards, fraud detection, and vector search for AI applications.","source":"https://redis.io","question":"What is Redis and what is it primarily used for?","confidence":0.95},{"answer":"Redis offers both options: Redis Open Source is free and available under an open-source license (version 8.0 and later uses a tri-license model with RSALv2, SSPLv1, or AGPLv3). For commercial users, Redis Inc. provides Redis Cloud (fully managed) and Redis Software (self-managed on-premise), both with paid plans.","source":"https://github.com/redis/redis","question":"Is Redis open-source or commercial?","confidence":0.95},{"answer":"Redis provides official client libraries for Python, Node.js, Java, Go, and .NET, plus numerous community-maintained libraries for other languages. This wide language support makes it compatible with most modern development stacks.","source":"https://redis.io","question":"What programming languages and platforms does Redis support?","confidence":0.92},{"answer":"Redis supports a wide range of data types including strings, lists, sets, sorted sets, hashes, streams, JSON, geospatial indexes, time-series data, and vector sets. This variety enables developers to optimize for different use cases from simple key-value storage to complex AI vector search.","source":"https://redis.io/docs/latest/develop/data-types/","question":"What data types does Redis support?","confidence":0.95},{"answer":"Redis offers three deployment options: Redis Open Source for self-managed on-premise installations, Redis Software for self-managed hybrid deployments, and Redis Cloud for fully managed cloud hosting on AWS, Azure, or Google Cloud. This flexibility allows organizations to choose based on their infrastructure and operational preferences.","source":"https://redis.io","question":"How can you deploy Redis?","confidence":0.93},{"answer":"Redis Cloud operates on a tiered model with a free tier (limited to 30 MB), an Essentials tier starting from $5 per month for shared deployment, and a Pro tier (minimum $200 per month) for dedicated deployment with multi-region capabilities. Pricing is based on data size, with option to pay hourly or commit to monthly plans.","source":"https://redis.io/pricing/","question":"What is the pricing model for Redis Cloud?","confidence":0.9},{"answer":"Common alternatives include Memcached for simple caching, database caching layers, key-value stores like DynamoDB or MongoDB, and message brokers like Apache Kafka. The choice depends on whether the primary need is ultra-fast caching, persistent storage, complex queries, or message streaming.","source":"https://redis.io","question":"What are common alternatives to Redis?","confidence":0.88},{"answer":"Redis offers optional persistence through snapshotting and append-only file (AOF) logging, though its primary design prioritizes speed via in-memory storage. For critical data, users typically pair Redis with a persistent database or use Redis Cloud's backup features. Advanced plans on Redis Cloud provide up to 99.999% uptime SLA with active-active multi-region deployment.","source":"https://redis.io","question":"Does Redis provide persistence and data reliability?","confidence":0.91}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | 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 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. |
| features.capabilities | `{"schema":"schemaless","hosting":"both","data_model":"document","ttl_expiry":true,"consistency":"tunable","replication":"primary_secondary","sql_support":true,"multi_region":true,"partitioning":"automatic","transactions":"multi_item_acid","license_class":"source_available","managed_cloud":true,"vector_search":true,"change_streams":true,"query_language":"mql","full_text_search":true,"acid_transactions":true,"secondary_indexes":"yes","horizontal_scaling":true}` | `{"hosting":"both","clustering":"sharded","data_model":"key_value","deployment":"managed","consistency":"strong","persistence":"append_log","replication":true,"eviction_ttl":true,"storage_tier":"in_memory","transactions":"multi_exec","licence_class":"source_available","managed_cloud":true,"vector_search":true,"wire_protocol":"resp","multi_threaded":true,"pubsub_streams":true,"data_structures":"rich_types","full_text_search":true,"redis_api_compat":"full","acid_transactions":true,"horizontal_scaling":true}` |
| integrations.count | 6 | 11 |
| integrations.list | `[{"name":"Vertex AI"},{"name":"BigQuery"},{"name":"Datastream"},{"name":"Google Kubernetes Engine"},{"name":"Looker"},{"name":"Apigee"},{"name":"Apache Kafka"},{"name":"Google Vertex AI","native":true,"category":"ai","direction":"bidirectional"},{"name":"Google Cloud BigQuery","native":true,"category":"analytics","direction":"bidirectional"},{"name":"Google Cloud Datastream","native":true,"category":"data_integration","direction":"inbound"},{"name":"Google Cloud Functions","native":true,"category":"compute"},{"name":"Kubernetes","native":true,"category":"orchestration"}]` | `[{"name":"Oracle"},{"name":"PostgreSQL"},{"name":"MySQL"},{"name":"MariaDB"},{"name":"Percona XtraDB"},{"name":"Microsoft SQL Server"},{"name":"MongoDB"},{"name":"Cassandra"},{"name":"Google Cloud SQL"},{"name":"Grafana"},{"name":"Prometheus"},{"name":"AWS"},{"name":"Microsoft Azure"},{"name":"Google Cloud"},{"name":"Python"},{"name":"Node.js"},{"name":"Java"},{"name":"Go"},{"name":".NET"},{"name":"Datadog","native":true,"category":"monitoring"},{"name":"New Relic","native":true,"category":"monitoring"}]` |
| language.primary | C++ | C |
| license.spdx | SSPL-1.0 | RSALv2 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"M0","summary":"Free tier","features":["512 MB storage","32 MB sort memory","100 operations per second","shared vCPU","replica set deployments"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free tier with shared vCPUs for learning and small non-production workloads","contactSales":false,"includedLimits":{"storage":"512 MB","sort_memory":"32 MB","operations_per_second":"100"}},{"free":false,"name":"Flex Clusters","summary":"$8 to $30 per month based on usage","description":"Pay-as-you-go pricing with hourly billing","contactSales":false},{"free":false,"name":"Dedicated Clusters","summary":"Starting at $25/month through $56.94/month for higher tiers","features":["dedicated vCPUs","replica sets and sharded clusters","auto-scaling","fully featured Atlas access"],"components":[{"kind":"fixed","amount":25,"period":"month","currency":"USD"}],"description":"Production clusters with dedicated vCPUs and auto-scaling for performance-critical workloads","contactSales":false}],"addOns":[{"name":"Atlas SQL Interface","components":[{"per":{"qty":1,"unit":"TB"},"kind":"metered","amount":5,"currency":"USD"}]},{"name":"MongoDB Search and Vector Search"}],"summary":"Free M0 tier; flex clusters from $8/month; dedicated clusters from $25/month","currency":"USD","freeTier":true,"sourceUrl":"https://www.mongodb.com/pricing","retrievedAt":"2026-09-07T13:09:29.678Z","startingPrice":{"amount":25,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"hybrid","plans":[{"free":true,"name":"Redis Open Source","description":"Free open-source in-memory database for caching and streaming","contactSales":false},{"free":false,"name":"Redis Cloud Essentials","description":"Low-cost managed cloud service with fixed 10% RAM to Flash ratio","contactSales":false},{"free":false,"name":"Redis Cloud Premium","description":"Mid-tier managed cloud offering","contactSales":false},{"free":false,"name":"Redis Cloud Enterprise","description":"High-end managed cloud service","contactSales":true},{"free":false,"name":"Redis Enterprise Software","description":"Self-managed on-premises software with enterprise compliance and reliability","contactSales":false}],"summary":"Free open source, plus managed cloud tiers and self-managed enterprise software","currency":"USD","freeTier":true,"sourceUrl":"https://redis.io/pricing/calculator/","retrievedAt":"2026-09-07T13:13:12.965Z","billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | mid | low |
| pricing.starting_price | `{"amount":25,"currency":"USD"}` | - |
| pricing.transparent | yes | yes |
| release.cadence_days | 30 | 45 |
| release.history | - | `[{"url":"https://github.com/redis/redis/releases/tag/8.10.1","date":"2026-08-17T16:44:04Z","type":"stable","version":"8.10.1"},{"url":"https://github.com/redis/redis/releases/tag/8.8.2","date":"2026-08-17T16:41:01Z","type":"stable","version":"8.8.2"},{"url":"https://github.com/redis/redis/releases/tag/8.6.6","date":"2026-08-17T16:39:37Z","type":"stable","version":"8.6.6"},{"url":"https://github.com/redis/redis/releases/tag/8.4.6","date":"2026-08-17T16:38:05Z","type":"stable","version":"8.4.6"},{"url":"https://github.com/redis/redis/releases/tag/8.2.9","date":"2026-08-17T16:36:23Z","type":"stable","version":"8.2.9"},{"url":"https://github.com/redis/redis/releases/tag/7.4.11","date":"2026-08-17T16:33:09Z","type":"stable","version":"7.4.11"},{"url":"https://github.com/redis/redis/releases/tag/7.2.16","date":"2026-08-17T16:30:32Z","type":"stable","version":"7.2.16"},{"url":"https://github.com/redis/redis/releases/tag/6.2.24","date":"2026-08-17T16:28:20Z","type":"stable","version":"6.2.24"},{"url":"https://github.com/redis/redis/releases/tag/8.10.0","date":"2026-07-29T17:20:06Z","type":"stable","version":"8.10.0"},{"url":"https://github.com/redis/redis/releases/tag/8.8.1","date":"2026-07-23T19:30:31Z","type":"stable","version":"8.8.1"},{"url":"https://github.com/redis/redis/releases/tag/8.6.5","date":"2026-07-23T19:27:27Z","type":"stable","version":"8.6.5"},{"url":"https://github.com/redis/redis/releases/tag/8.4.5","date":"2026-07-23T19:24:29Z","type":"stable","version":"8.4.5"},{"url":"https://github.com/redis/redis/releases/tag/8.2.8","date":"2026-07-23T19:20:47Z","type":"stable","version":"8.2.8"},{"url":"https://github.com/redis/redis/releases/tag/7.4.10","date":"2026-07-23T18:01:58Z","type":"stable","version":"7.4.10"},{"url":"https://github.com/redis/redis/releases/tag/7.2.15","date":"2026-07-23T17:57:28Z","type":"stable","version":"7.2.15"},{"url":"https://github.com/redis/redis/releases/tag/6.2.23","date":"2026-07-23T17:52:11Z","type":"stable","version":"6.2.23"},{"url":"https://github.com/redis/redis/releases/tag/8.10-rc2","date":"2026-07-20T18:23:28Z","type":"prerelease","version":"8.10-rc2"},{"url":"https://github.com/redis/redis/releases/tag/8.10-rc1","date":"2026-07-20T15:10:45Z","type":"prerelease","version":"8.10-rc1"},{"url":"https://github.com/redis/redis/releases/tag/8.6.4","date":"2026-06-04T16:36:44Z","type":"stable","version":"8.6.4"},{"url":"https://github.com/redis/redis/releases/tag/8.4.4","date":"2026-06-04T16:35:27Z","type":"stable","version":"8.4.4"}]` |
| reliability.sla_pct | 99.99 | 99.99 |
| reliability.status_page | yes | yes |
| security.certifications | `[{"name":"SOC 2","status":"active"},{"name":"ISO/IEC 27001:2022","status":"active"},{"name":"ISO/IEC 27017:2015","status":"active"},{"name":"ISO/IEC 27018:2019","status":"active"},{"name":"ISO 9001:2015","status":"active"},{"name":"PCI DSS","status":"active"},{"name":"HIPAA","status":"active"},{"name":"HITRUST","status":"active"},{"name":"CSA STAR","status":"active"},{"name":"FedRAMP Moderate","level":"Moderate","status":"active"},{"name":"IRAP","status":"active"},{"name":"TX-RAMP","status":"active"},{"name":"TISAX","status":"active"},{"name":"HDS","status":"active"},{"name":"ENS","status":"active"},{"name":"ANC QC2","status":"active"}]` | - |
| security.disclosure_policy | yes | yes |
| security.fedramp | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | yes |
| security.iso27001 | yes | yes |
| security.pci | yes | yes |
| security.scorecard | 4.7 | 6.9 |
| security.soc2 | yes | yes |
| security.trust_center | https://www.mongodb.com/products/platform/trust | https://redis.io/security/ |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=conda&package_name=mongodb&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=redisex&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Databases)

| Capability | MongoDB | Redis |
|---|:--:|:--:|
| **Core** |  |  |
| Data model | Document | Key-value |
| ACID transactions | ✓ | ✓ |
| SQL support | ✓ | - |
| **Scale** |  |  |
| Horizontal scaling / sharding | ✓ | ✓ |
| Replication | - | ✓ |
| **Query** |  |  |
| Full-text search | ✓ | ✓ |
| Vector search | ✓ | ✓ |
| **Deployment** |  |  |
| Managed cloud offering | ✓ | ✓ |
| Hosting | Cloud + self-hosted | Cloud + self-hosted |

*Source: vioscaleAI. Generated 2026-09-21T03:33:55.244Z. "-" = undocumented, not absent.*