Tantivy vs Weaviate
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
Weaviate
Open-source vector database for semantic and AI search
| Feature | Tantivy | Weaviate |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | MIT | BSD-3-Clause |
| Language | Rust | Go |
| Setup difficulty | Hard | Medium |
| Min. RAM | 128 MB | 2,048 MB |
| Deployment | source, binary | docker, kubernetes, helm |
| GitHub stars | ★ 15,656 | ★ 16,704 |
| First released | 2016 | 2019 |
| Replaces | Elasticsearch | Pinecone, Algolia |
Why pick each one
Frequently asked questions
Is Tantivy or Weaviate better?
Weaviate is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Tantivy if its specific feature set fits your needs better.
Are Tantivy and Weaviate free and open-source?
Yes. Tantivy is licensed under MIT and Weaviate under BSD-3-Clause. Both can be self-hosted at no software cost.
Can I run Tantivy and Weaviate with Docker?
Tantivy: check the project docs for container support. Weaviate: yes.