bleve vs Tantivy
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | bleve | Tantivy |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Health score | 93 · Excellent | 94 · Excellent |
| Category | Search Engines | Search Engines |
| License | Apache-2.0 | MIT |
| Language | Go | Rust |
| Setup difficulty | Medium | Hard |
| Min. RAM | 128 MB | 128 MB |
| Deployment | source, binary | source, binary |
| GitHub stars | ★ 11,228 | ★ 16,133 |
| First released | 2014 | 2016 |
| Replaces | Elasticsearch, Algolia | Elasticsearch |
What are bleve and Tantivy?
bleve
An embeddable modern full-text search and indexing library that lets developers add search to applications without running a separate server. It supports analyzers, faceting, and scoring out of the box.
- Embeddable index
- Text analyzers
- Faceted search
- Pluggable storage
Tantivy
Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust. It is the foundation for several search engines and can be embedded directly into applications.
- Lucene-like full-text indexing
- Embeddable search library
- Fast and memory efficient
- Powers Quickwit and others
bleve vs Tantivy: key differences
Bleve is written in Go, while Tantivy is built with Rust. Licensing differs — Apache-2.0 for bleve versus MIT for Tantivy. Bleve is the more established project (first released 2014), while Tantivy arrived in 2016.
Why pick each one
Choose bleve if…
- No separate server
- Pure Go integration
Watch out for
- Library not turnkey app
- Manual scaling
Choose Tantivy if…
- Very fast
- Embeddable in apps
Watch out for
- Library, not a turnkey server
Frequently asked questions
Is bleve or Tantivy better?
Neither is universally better. Tantivy has the larger community, while bleve is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are bleve and Tantivy free and open-source?
Yes. bleve is licensed under Apache-2.0 and Tantivy under MIT. Both can be self-hosted at no software cost.
Can I run bleve and Tantivy with Docker?
bleve: check the project docs for container support. Tantivy: check the project docs for container support.