Milvus vs Vald
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Milvus | Vald |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 100 · Excellent | 85 · Excellent |
| Category | Search Engines | Search Engines |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Hard | Hard |
| Min. RAM | 4,096 MB | 2,048 MB |
| Deployment | docker, kubernetes, helm | kubernetes, helm, docker |
| GitHub stars | ★ 46,245 | ★ 1,730 |
| First released | 2019 | 2020 |
| Replaces | Pinecone, Elasticsearch | Pinecone, Elasticsearch |
What are Milvus and Vald?
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
Vald
Vald is a highly scalable distributed vector search engine designed to run on Kubernetes for approximate nearest neighbor search over billions of vectors. It is used for similarity search in recommendation and AI applications.
- Distributed vector search
- Kubernetes-native
- Billion-scale indexes
- Approximate nearest neighbor
Milvus vs Vald: key differences
Both projects are written in Go. Vald is the lighter option, starting around 2,048 MB of RAM against 4,096 MB for Milvus. Milvus has the considerably larger community, at 46,245 GitHub stars versus 1,730.
Why pick each one
Choose Milvus if…
- Scales to massive datasets
- Mature vector ecosystem
Watch out for
- Complex distributed deployment
Choose Vald if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Active community (1.7k GitHub stars)
Frequently asked questions
Is Milvus or Vald better?
Neither is universally better. Milvus has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Milvus and Vald free and open-source?
Yes. Milvus is licensed under Apache-2.0 and Vald under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Milvus and Vald with Docker?
Milvus: yes. Vald: yes.
Which is lighter on resources, Milvus or Vald?
Vald has the smaller minimum footprint at 2,048 MB of RAM, compared to about 4,096 MB for Milvus. Real-world usage depends on library size, user count, and enabled features.