head to head · open source
Milvus vs Orama
Milvus has 46,578 GitHub stars, 4,327 forks, 1,405 open issues and last shipped yesterday. Orama has 10,596 stars, 409 forks, 23 open issues and last shipped 18 days ago. Milvus leads on adoption by 340% (46,578 vs 10,596 stars). Milvus is written in Go under Apache-2.0; Orama is written in TypeScript under a custom or non-standard licence. Milvus has attracted 9% as many forks as stars, Orama 4%. Milvus was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Milvus | Orama | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 11K |
| License | Apache-2.0 | Custom / other |
| Written in | Go | TypeScript |
| Last push | 2026-11-04 | 2026-10-18 |
| Forks | ⑂ 4.3K | ⑂ 409 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Milvus if
- You weight community size — 47K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Orama if
- You want the Orama feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Orama fits your workflow better
About Milvus
What is Milvus? 🐦 Milvus is a high performance vector database built for scale. It powers AI applications by efficiently organizing and searching vast amounts of unstructured data, such as text, images, and multi modal information. 🧑💻 Written in Go and C++, Milvus implements hardware acceleration for CPU/GPU to achieve best in class vector search performance. Thanks to its fully distributed and K8s native architecture, Milvus can scale horizontally, handle tens of thousands of search queries on billions of vectors, and keep data fresh with real time streaming updates. Milvus also supports Standalone mode for…
read the full Milvus overview →
About Orama
If you need more info, help, or want to provide general feedback on Orama, join the Orama Slack channel Highlighted features Full Text search Vector Search Hybrid Search GenAI Chat Sessions Search Filters Geosearch Pinning Rules (Merchandising) Facets Fields Boosting Typo Tolerance Exact Match BM25 Stemming and tokenization in 30 languages Plugin System Installation You can install Orama using npm , yarn , pnpm , bun : Or import it directly in a browser module: With Deno, you can just use the same CDN URL or use npm specifiers: Read the complete documentation at Orama Features Usage Orama is quite simple to use…
read the full Orama overview →
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Frequently asked questions
Is Milvus or Orama more popular?
Milvus has 46,578 GitHub stars and Orama has 10,596. Milvus has the larger community by that measure.
Are Milvus and Orama free?
Both are open source. Milvus is licensed under Apache-2.0, and Orama has no licence declared in this registry. Both are free to self-host.
What is the difference between Milvus and Orama?
Milvus is written in Go and Orama in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Milvus or Orama?
Choose Milvus if you want the larger community (46,578 stars) or its Apache-2.0 licence terms. Choose Orama if its feature set, stack or Custom / other licence fits better. Both are self-hostable.