OpenSearch vs RediSearch
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
OpenSearch
Search and observability suite with logs and dashboards
VS
RediSearch
Full-text and vector search module for Redis
| Feature | OpenSearch | RediSearch |
|---|---|---|
| Category | Monitoring & Status | Search Engines |
| License | Apache-2.0 | RSALv2 |
| Language | Java | Rust |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 512 MB |
| Deployment | docker, kubernetes, helm | docker, kubernetes, binary |
| GitHub stars | ★ 13,480 | ★ 6,205 |
| First released | 2021 | 2017 |
| Replaces | Elasticsearch, Splunk | Elasticsearch, Algolia |
Why pick each one
Frequently asked questions
Is OpenSearch or RediSearch better?
Neither is universally better. OpenSearch has the larger community, while RediSearch is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are OpenSearch and RediSearch free and open-source?
Yes. OpenSearch is licensed under Apache-2.0 and RediSearch under RSALv2. Both can be self-hosted at no software cost.
Can I run OpenSearch and RediSearch with Docker?
OpenSearch: yes. RediSearch: yes.