MongoDB vs Redis: Rating, Votes and Features
- License: MongoDB — SSPL-1.0; Redis — AGPL-3.0, RSALv2, SSPL-1.0.
- Data model: MongoDB — Document, Search, Vector; Redis — Document, Key-value, Vector.
- Workload: MongoDB — Transactions (OLTP); Redis — Cache.
MongoDB — November 2026: 3 votes, rating 8.8/10.
Redis — November 2026: 5 votes, rating 9.7/10.
| MongoDB | Redis | |
|---|---|---|
| Category | database engine | database engine |
| Developer | MongoDB, Inc. | Redis Ltd. |
| Created by | Dwight Merriman, Eliot Horowitz, Kevin Ryan | Salvatore Sanfilippo |
| First release | 2009 | 2009 |
| License | SSPL-1.0 | AGPL-3.0, RSALv2, SSPL-1.0 |
| Open source | No | Yes |
| Pricing | Free, with paid plans | Free, with paid plans |
| Website | https://www.mongodb.com | https://redis.io |
| Written in | C++ | C |
| Data model | Document, Search, Vector | Document, Key-value, Vector |
| Storage layout | Document | In-memory |
| Workload | Transactions (OLTP) | Cache |
| Analytics architecture | Not an analytics platform | Not an analytics platform |
| Query language | MQL | Redis commands |
| ACID transactions | Yes | No |
| Schema | Flexible | Flexible |
| Deployment | Distributed cluster, Managed cloud, Server | Managed cloud, Server |
| Scaling | Sharding | Sharding |
| Create, read, update, delete | Create: fast (Fast document inserts); Read: fast (Whole documents in one read); Update: fast (Atomic in-place field updates); Delete: fast (Cheap single and bulk deletes) | Create: fast (Everything happens in memory); Read: fast (Sub-millisecond lookups by key); Update: fast (Atomic operations on data structures); Delete: fast (Immediate, plus expiry by time) |