RediSearch vs Vespa
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?
RediSearch
Full-text and vector search module for Redis
VS
Vespa
Open-source big data serving engine for search and recommendation
| Feature | RediSearch | Vespa |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | RSALv2 | Apache-2.0 |
| Language | Rust | Java |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 4,096 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, bare-metal |
| GitHub stars | ★ 6,205 | ★ 7,043 |
| First released | 2017 | 2017 |
| Replaces | Elasticsearch, Algolia | Elasticsearch, Algolia |
Why pick each one
Frequently asked questions
Is RediSearch or Vespa better?
Neither is universally better. Vespa 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 RediSearch and Vespa free and open-source?
Yes. RediSearch is licensed under RSALv2 and Vespa under Apache-2.0. Both can be self-hosted at no software cost.
Can I run RediSearch and Vespa with Docker?
RediSearch: yes. Vespa: yes.