PeARS vs Weaviate
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
PeARS
Lightweight distributed web search you can host yourself
VS
Weaviate
Open-source vector database for semantic and AI search
| Feature | PeARS | Weaviate |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | AGPL-3.0 | BSD-3-Clause |
| Language | HTML | Go |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 2,048 MB |
| Deployment | docker, bare-metal | docker, kubernetes, helm |
| GitHub stars | ★ 38 | ★ 16,704 |
| First released | 2017 | 2019 |
| Replaces | Google Search | Pinecone, Algolia |
Why pick each one
Frequently asked questions
Is PeARS or Weaviate better?
Neither is universally better. Weaviate has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are PeARS and Weaviate free and open-source?
Yes. PeARS is licensed under AGPL-3.0 and Weaviate under BSD-3-Clause. Both can be self-hosted at no software cost.
Can I run PeARS and Weaviate with Docker?
PeARS: yes. Weaviate: yes.