head to head · open source
Milvus vs mikro-orm
Milvus has 46,166 GitHub stars, 4,257 forks, 1,405 open issues and last shipped today. mikro-orm has 9,229 stars, 673 forks, 20 open issues and last shipped yesterday. Milvus leads on adoption by 400% (46,166 vs 9,229 stars). Milvus is written in Go under Apache-2.0; mikro-orm is written in TypeScript under MIT. Milvus has attracted 9% as many forks as stars, mikro-orm 7%. 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 | mikro-orm | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 9.2K |
| License | Apache-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 4.3K | ⑂ 673 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Milvus if
- You weight community size — 46K 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 mikro-orm if
- You want the mikro-orm feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and mikro-orm fits your workflow better
About Milvus
Milvus is a high performance, cloud native vector database written in Go and C++, designed to power AI applications by efficiently storing, indexing, and searching large scale unstructured data such as text, images, and multi modal embeddings. It implements hardware accelerated approximate nearest neighbor (ANN) search using algorithms like HNSW, FAISS, and DiskANN, and supports both real time streaming updates and batch ingestion. Milvus lives in the GenAI infrastructure ecosystem, serving as the persistent storage and retrieval layer for embedding based workloads including RAG, recommendation, and image search.…
read the full Milvus overview →
About mikro-orm
MikroORM is a TypeScript ORM for Node.js built on the Data Mapper, Unit of Work and Identity Map patterns, aimed at TypeScript teams that want typed, entity based persistence across MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL, Oracle and SQLite/libSQL databases.
read the full mikro-orm overview →
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Frequently asked questions
Is Milvus or mikro-orm more popular?
Milvus has 46,166 GitHub stars and mikro-orm has 9,229. Milvus has the larger community by that measure.
Are Milvus and mikro-orm free?
Both are open source. Milvus is licensed under Apache-2.0 and mikro-orm under MIT. Neither carries a licence fee.
What is the difference between Milvus and mikro-orm?
Milvus is written in Go and mikro-orm 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 mikro-orm?
Choose Milvus if you want the larger community (46,166 stars) or its Apache-2.0 licence terms. Choose mikro-orm if its feature set, stack or MIT licence fits better. Both are self-hostable.