RediSearch vs Tantivy
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
Tantivy
Full-text search engine library written in Rust
| Feature | RediSearch | Tantivy |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | RSALv2 | MIT |
| Language | Rust | Rust |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 128 MB |
| Deployment | docker, kubernetes, binary | source, binary |
| GitHub stars | ★ 6,205 | ★ 15,656 |
| First released | 2017 | 2016 |
| Replaces | Elasticsearch, Algolia | Elasticsearch |
Why pick each one
Frequently asked questions
Is RediSearch or Tantivy better?
Neither is universally better. Tantivy 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 Tantivy free and open-source?
Yes. RediSearch is licensed under RSALv2 and Tantivy under MIT. Both can be self-hosted at no software cost.
Can I run RediSearch and Tantivy with Docker?
RediSearch: yes. Tantivy: check the project docs for container support.