Meilisearch vs Milvus
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
Milvus
Open-source vector database built for scalable similarity search
| Feature | Meilisearch | Milvus |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 100 · Excellent | 100 · Excellent |
| Category | Search Engines | Search Engines |
| License | MIT | Apache-2.0 |
| Language | Rust | Go |
| Setup difficulty | Easy | Hard |
| Min. RAM | 256 MB | 4,096 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, helm |
| GitHub stars | ★ 59,391 | ★ 46,245 |
| First released | 2018 | 2019 |
| Replaces | Algolia, Elasticsearch | Pinecone, Elasticsearch |
What are Meilisearch and Milvus?
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
Milvus
Milvus is an open-source vector database designed for scalable similarity search and AI applications. It can manage billions of vectors and supports semantic search and recommendation use cases.
- Billion-scale vector search
- Multiple index types
- Cloud-native distributed architecture
- Hybrid search support
Meilisearch vs Milvus: key differences
Meilisearch is written in Rust, while Milvus is built with Go. Licensing differs — MIT for Meilisearch versus Apache-2.0 for Milvus. Meilisearch is the lighter option, starting around 256 MB of RAM against 4,096 MB for Milvus.
Why pick each one
Choose Meilisearch if…
- Extremely easy to set up
- Fast and lightweight
Watch out for
- Fewer features than Elasticsearch
Choose Milvus if…
- Scales to massive datasets
- Mature vector ecosystem
Watch out for
- Complex distributed deployment
Frequently asked questions
Is Meilisearch or Milvus better?
Meilisearch is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Milvus if its specific feature set fits your needs better.
Are Meilisearch and Milvus free and open-source?
Yes. Meilisearch is licensed under MIT and Milvus under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Meilisearch and Milvus with Docker?
Meilisearch: yes. Milvus: yes.
Which is lighter on resources, Meilisearch or Milvus?
Meilisearch has the smaller minimum footprint at 256 MB of RAM, compared to about 4,096 MB for Milvus. Real-world usage depends on library size, user count, and enabled features.