Milvus 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?
Milvus
Open-source vector database built for scalable similarity search
VS
Sonic
Fast, lightweight schema-less search backend
| Feature | Milvus | Sonic |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | Apache-2.0 | MPL-2.0 |
| Language | Go | Rust |
| Setup difficulty | Hard | Medium |
| Min. RAM | 4,096 MB | 32 MB |
| Deployment | docker, kubernetes, helm | docker, binary |
| GitHub stars | ★ 45,556 | ★ 21,299 |
| First released | 2019 | 2019 |
| Replaces | Pinecone, Elasticsearch | Algolia, Elasticsearch |
Why pick each one
Frequently asked questions
Is Milvus or Sonic better?
Neither is universally better. Milvus has the larger community, while Sonic is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Milvus and Sonic free and open-source?
Yes. Milvus is licensed under Apache-2.0 and Sonic under MPL-2.0. Both can be self-hosted at no software cost.
Can I run Milvus and Sonic with Docker?
Milvus: yes. Sonic: yes.