PISA vs Sonic
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?
PISA
Performant indexes and search for large text collections
VS
Sonic
Fast, lightweight schema-less search backend
| Feature | PISA | Sonic |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | Apache-2.0 | MPL-2.0 |
| Language | C++ | Rust |
| Setup difficulty | Hard | Medium |
| Min. RAM | 1,024 MB | 32 MB |
| Deployment | source, binary | docker, binary |
| GitHub stars | ★ 1,054 | ★ 21,299 |
| First released | 2017 | 2019 |
| Replaces | Elasticsearch | Algolia, Elasticsearch |
Why pick each one
Choose PISA if…
- Released under the Apache-2.0 license
- Active community (1.1k GitHub stars)
- Written in C++
Frequently asked questions
Is PISA or Sonic better?
Sonic is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider PISA if its specific feature set fits your needs better.
Are PISA and Sonic free and open-source?
Yes. PISA is licensed under Apache-2.0 and Sonic under MPL-2.0. Both can be self-hosted at no software cost.
Can I run PISA and Sonic with Docker?
PISA: check the project docs for container support. Sonic: yes.