Infinity 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?
FeatureInfinityTantivy
CategorySearch EnginesSearch Engines
LicenseApache-2.0MIT
LanguageC++Rust
Setup difficultyMediumHard
Min. RAM2,048 MB128 MB
Deploymentdocker, binarysource, binary
GitHub stars★ 4,664★ 15,656
First released20242016
ReplacesPinecone, ElasticsearchElasticsearch

Why pick each one

Choose Infinity if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Active community (4.7k GitHub stars)
  • Written in C++
Infinity details

Choose Tantivy if…

  • Very fast
  • Embeddable in apps
Tantivy details

Frequently asked questions

Is Infinity or Tantivy better?

Neither is universally better. Tantivy has the larger community, while Infinity is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are Infinity and Tantivy free and open-source?

Yes. Infinity is licensed under Apache-2.0 and Tantivy under MIT. Both can be self-hosted at no software cost.

Can I run Infinity and Tantivy with Docker?

Infinity: yes. Tantivy: check the project docs for container support.

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