Toshi 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 | Toshi | Vald |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 79 · Good | 85 · Excellent |
| Category | Search Engines | Search Engines |
| License | MIT | Apache-2.0 |
| Language | Rust | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 256 MB | 2,048 MB |
| Deployment | docker, binary | kubernetes, helm, docker |
| GitHub stars | ★ 4,256 | ★ 1,730 |
| First released | 2018 | 2020 |
| Replaces | Elasticsearch | Pinecone, Elasticsearch |
What are Toshi and Vald?
Toshi
Toshi is a self-hosted full-text search server that exposes an Elasticsearch-like JSON REST API on top of the Tantivy search engine. It targets developers who want a simple, fast search service in Rust.
- JSON REST API
- Tantivy-backed indexing
- Fast Rust core
- Simple to run
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
Toshi vs Vald: key differences
Toshi is written in Rust, while Vald is built with Go. Licensing differs — MIT for Toshi versus Apache-2.0 for Vald. Toshi is the lighter option, starting around 256 MB of RAM against 2,048 MB for Vald. Toshi is the more established project (first released 2018), while Vald arrived in 2020. Toshi has the considerably larger community, at 4,256 GitHub stars versus 1,730.
Why pick each one
Choose Toshi if…
- Lightweight search server
- Familiar API style
Watch out for
- Less mature than ES
- Smaller feature set
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 Toshi or Vald better?
Toshi 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 Toshi and Vald free and open-source?
Yes. Toshi is licensed under MIT and Vald under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Toshi and Vald with Docker?
Toshi: yes. Vald: yes.
Which is lighter on resources, Toshi or Vald?
Toshi has the smaller minimum footprint at 256 MB of RAM, compared to about 2,048 MB for Vald. Real-world usage depends on library size, user count, and enabled features.