Meilisearch vs Vespa
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
Meilisearch
Fast, typo-tolerant search engine for applications
VS
Vespa
Open-source big data serving engine for search and recommendation
| Feature | Meilisearch | Vespa |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 100 · Excellent | 91 · Excellent |
| Category | Search Engines | Search Engines |
| License | MIT | Apache-2.0 |
| Language | Rust | Java |
| Setup difficulty | Easy | Hard |
| Min. RAM | 256 MB | 4,096 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, bare-metal |
| GitHub stars | ★ 59,391 | ★ 7,109 |
| First released | 2018 | 2017 |
| Replaces | Algolia, Elasticsearch | Elasticsearch, Algolia |
What are Meilisearch and Vespa?
Meilisearch
Meilisearch is an open-source, lightning-fast search engine designed for instant, typo-tolerant search-as-you-type experiences. It is easy to integrate via its REST API and ships as a single binary.
- Typo-tolerant instant search
- Single binary deployment
- Faceted search and filtering
- Simple REST API
Vespa
Vespa is an open-source platform for low-latency computation over large data sets, powering search, recommendation and AI applications. It combines storing, searching, ranking and organizing data.
- Combined search and ML ranking
- Vector and tensor computation
- Real-time indexing at scale
- Used for large recommendation systems
Meilisearch vs Vespa: key differences
Meilisearch is written in Rust, while Vespa is built with Java. Licensing differs — MIT for Meilisearch versus Apache-2.0 for Vespa. Meilisearch is the lighter option, starting around 256 MB of RAM against 4,096 MB for Vespa. Meilisearch has the considerably larger community, at 59,391 GitHub stars versus 7,109.
Why pick each one
Choose Meilisearch if…
- Extremely easy to set up
- Fast and lightweight
Watch out for
- Fewer features than Elasticsearch
Choose Vespa if…
- Extremely powerful and scalable
- Built-in ML ranking
Watch out for
- Steep learning curve
- Heavy resource needs
Frequently asked questions
Is Meilisearch or Vespa better?
Meilisearch is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Vespa if its specific feature set fits your needs better.
Are Meilisearch and Vespa free and open-source?
Yes. Meilisearch is licensed under MIT and Vespa under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Meilisearch and Vespa with Docker?
Meilisearch: yes. Vespa: yes.
Which is lighter on resources, Meilisearch or Vespa?
Meilisearch has the smaller minimum footprint at 256 MB of RAM, compared to about 4,096 MB for Vespa. Real-world usage depends on library size, user count, and enabled features.