Tantivy 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?
Tantivy
Full-text search engine library written in Rust
VS
Vespa
Open-source big data serving engine for search and recommendation
| Feature | Tantivy | Vespa |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | MIT | Apache-2.0 |
| Language | Rust | Java |
| Setup difficulty | Hard | Hard |
| Min. RAM | 128 MB | 4,096 MB |
| Deployment | source, binary | docker, kubernetes, bare-metal |
| GitHub stars | ★ 15,656 | ★ 7,043 |
| First released | 2016 | 2017 |
| Replaces | Elasticsearch | Elasticsearch, Algolia |
Why pick each one
Frequently asked questions
Is Tantivy or Vespa better?
Neither is universally better. Tantivy has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Tantivy and Vespa free and open-source?
Yes. Tantivy is licensed under MIT and Vespa under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Tantivy and Vespa with Docker?
Tantivy: check the project docs for container support. Vespa: yes.