Elasticsearch vs SearXNG
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Elasticsearch
Distributed search and analytics engine
VS
SearXNG
Privacy-respecting metasearch engine aggregating many sources
| Feature | Elasticsearch | SearXNG |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | Elastic-2.0 | AGPL-3.0 |
| Language | Java | Python |
| Setup difficulty | Hard | Easy |
| Min. RAM | 2,048 MB | 256 MB |
| Deployment | docker, kubernetes, bare-metal | docker, kubernetes, bare-metal |
| GitHub stars | ★ 77,808 | ★ 35,091 |
| First released | 2010 | 2021 |
| Replaces | Algolia, Splunk | Google Search, Bing |
Why pick each one
Frequently asked questions
Is Elasticsearch or SearXNG better?
Neither is universally better. Elasticsearch has the larger community, while SearXNG is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Elasticsearch and SearXNG free and open-source?
Yes. Elasticsearch is licensed under Elastic-2.0 and SearXNG under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Elasticsearch and SearXNG with Docker?
Elasticsearch: yes. SearXNG: yes.