Infinity vs Lunr.js
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Infinity | Lunr.js |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 89 · Excellent | 29 · At risk |
| Category | Search Engines | Search Engines |
| License | Apache-2.0 | MIT |
| Language | C++ | JavaScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 2,048 MB | 64 MB |
| Deployment | docker, binary | source |
| GitHub stars | ★ 4,717 | ★ 9,203 |
| First released | 2024 | 2013 |
| Replaces | Pinecone, Elasticsearch | Algolia, Elasticsearch |
What are Infinity and Lunr.js?
Infinity
Infinity is an open-source AI-native database built for embedding, full-text and hybrid search with very low latency. It is self-hosted and serves as a high-performance search and retrieval backend.
- AI-native database
- Vector and full-text search
- Hybrid retrieval
- Self-hostable
Lunr.js
Lunr.js is a small, full-text search library for use in the browser that provides a simple search index without needing a backend service. It is commonly used to add offline search to static sites and documentation.
- Browser-based search
- No backend needed
- Prebuilt index support
- Tiny library size
Infinity vs Lunr.js: key differences
Infinity is written in C++, while Lunr.js is built with JavaScript. Licensing differs — Apache-2.0 for Infinity versus MIT for Lunr.js. Lunr.js is the lighter option, starting around 64 MB of RAM against 2,048 MB for Infinity. Lunr.js is the more established project (first released 2013), while Infinity arrived in 2024. Infinity lists first-class Docker deployment; Lunr.js does not.
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++
Choose Lunr.js if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- Mature project with 9.2k GitHub stars
- Written in JavaScript
Frequently asked questions
Is Infinity or Lunr.js better?
Lunr.js is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Infinity if its specific feature set fits your needs better.
Are Infinity and Lunr.js free and open-source?
Yes. Infinity is licensed under Apache-2.0 and Lunr.js under MIT. Both can be self-hosted at no software cost.
Can I run Infinity and Lunr.js with Docker?
Infinity: yes. Lunr.js: check the project docs for container support.
Which is lighter on resources, Infinity or Lunr.js?
Lunr.js has the smaller minimum footprint at 64 MB of RAM, compared to about 2,048 MB for Infinity. Real-world usage depends on library size, user count, and enabled features.