Meilisearch vs RediSearch
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
RediSearch
Full-text and vector search module for Redis
| Feature | Meilisearch | RediSearch |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 100 · Excellent | 90 · Excellent |
| Category | Search Engines | Search Engines |
| License | MIT | RSALv2 |
| Language | Rust | Rust |
| Setup difficulty | Easy | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, binary |
| GitHub stars | ★ 59,391 | ★ 6,242 |
| First released | 2018 | 2017 |
| Replaces | Algolia, Elasticsearch | Elasticsearch, Algolia |
What are Meilisearch and RediSearch?
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
RediSearch
RediSearch, part of the Redis Query Engine, adds full-text search, secondary indexing and vector search capabilities to Redis. It enables fast querying over data already stored in Redis.
- Full-text search inside Redis
- Secondary indexing of Redis data
- Vector similarity search
- Aggregations and queries
Meilisearch vs RediSearch: key differences
Both projects are written in Rust. Licensing differs — MIT for Meilisearch versus RSALv2 for RediSearch. Meilisearch is the lighter option, starting around 256 MB of RAM against 512 MB for RediSearch. Meilisearch has the considerably larger community, at 59,391 GitHub stars versus 6,242.
Why pick each one
Choose Meilisearch if…
- Extremely easy to set up
- Fast and lightweight
Watch out for
- Fewer features than Elasticsearch
Choose RediSearch if…
- Very fast, in-memory
- Reuses existing Redis
Watch out for
- Source-available, not OSI licensed
Frequently asked questions
Is Meilisearch or RediSearch better?
Meilisearch is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider RediSearch if its specific feature set fits your needs better.
Are Meilisearch and RediSearch free and open-source?
Yes. Meilisearch is licensed under MIT and RediSearch under RSALv2. Both can be self-hosted at no software cost.
Can I run Meilisearch and RediSearch with Docker?
Meilisearch: yes. RediSearch: yes.
Which is lighter on resources, Meilisearch or RediSearch?
Meilisearch has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for RediSearch. Real-world usage depends on library size, user count, and enabled features.