bleve 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 | bleve | Vald |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 93 · Excellent | 85 · Excellent |
| Category | Search Engines | Search Engines |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 128 MB | 2,048 MB |
| Deployment | source, binary | kubernetes, helm, docker |
| GitHub stars | ★ 11,228 | ★ 1,730 |
| First released | 2014 | 2020 |
| Replaces | Elasticsearch, Algolia | Pinecone, Elasticsearch |
What are bleve and Vald?
bleve
An embeddable modern full-text search and indexing library that lets developers add search to applications without running a separate server. It supports analyzers, faceting, and scoring out of the box.
- Embeddable index
- Text analyzers
- Faceted search
- Pluggable storage
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
bleve vs Vald: key differences
Both projects are written in Go. Bleve is the lighter option, starting around 128 MB of RAM against 2,048 MB for Vald. Bleve is the more established project (first released 2014), while Vald arrived in 2020. Bleve has the considerably larger community, at 11,228 GitHub stars versus 1,730. Vald lists first-class Docker deployment; bleve does not.
Why pick each one
Choose bleve if…
- No separate server
- Pure Go integration
Watch out for
- Library not turnkey app
- Manual scaling
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 bleve or Vald better?
bleve is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Vald if its specific feature set fits your needs better.
Are bleve and Vald free and open-source?
Yes. bleve is licensed under Apache-2.0 and Vald under Apache-2.0. Both can be self-hosted at no software cost.
Can I run bleve and Vald with Docker?
bleve: check the project docs for container support. Vald: yes.
Which is lighter on resources, bleve or Vald?
bleve has the smaller minimum footprint at 128 MB of RAM, compared to about 2,048 MB for Vald. Real-world usage depends on library size, user count, and enabled features.