Vald vs Weaviate
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
Weaviate
Open-source vector database for semantic and AI search
| Feature | Vald | Weaviate |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 85 · Excellent | 95 · Excellent |
| Category | Search Engines | Search Engines |
| License | Apache-2.0 | BSD-3-Clause |
| Language | Go | Go |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 2,048 MB |
| Deployment | kubernetes, helm, docker | docker, kubernetes, helm |
| GitHub stars | ★ 1,730 | ★ 16,841 |
| First released | 2020 | 2019 |
| Replaces | Pinecone, Elasticsearch | Pinecone, Algolia |
What are Vald and Weaviate?
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
Weaviate
Weaviate is an open-source vector database that stores objects and their vector embeddings for semantic search. It enables AI-powered similarity search, retrieval-augmented generation and hybrid queries.
- Vector and hybrid search
- Built-in vectorization modules
- GraphQL and REST APIs
- Horizontal scaling
Vald vs Weaviate: key differences
Both projects are written in Go. Licensing differs — Apache-2.0 for Vald versus BSD-3-Clause for Weaviate. Weaviate has the considerably larger community, at 16,841 GitHub stars versus 1,730.
Why pick each one
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)
Choose Weaviate if…
- Great for AI semantic search
- Easy to start
Watch out for
- Memory hungry with large datasets
Frequently asked questions
Is Vald or Weaviate better?
Weaviate 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 Vald and Weaviate free and open-source?
Yes. Vald is licensed under Apache-2.0 and Weaviate under BSD-3-Clause. Both can be self-hosted at no software cost.
Can I run Vald and Weaviate with Docker?
Vald: yes. Weaviate: yes.