head to head · open source
orm vs Milvus
orm has 47,614 GitHub stars, 2,537 forks, 2,627 open issues and last shipped yesterday. Milvus has 46,145 stars, 4,254 forks, 1,405 open issues and last shipped yesterday. orm leads on adoption by 3% (47,614 vs 46,145 stars). orm is written in TypeScript under Apache-2.0; Milvus is written in Go under Apache-2.0. orm has attracted 5% as many forks as stars, Milvus 9%. orm 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
| orm | Milvus | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 46K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.5K | ⑂ 4.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick orm if
- You weight community size — 48K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Milvus if
- You want the Milvus feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and Milvus fits your workflow better
About orm
Prisma ORM is a next generation TypeScript ORM for Node.js and TypeScript applications, supporting PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB, and CockroachDB, and it is aimed at developers and teams building data backed applications in that ecosystem.
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 →
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Frequently asked questions
Is orm or Milvus more popular?
orm has 47,614 GitHub stars and Milvus has 46,145. orm has the larger community by that measure.
Are orm and Milvus free?
Both are open source. orm is licensed under Apache-2.0 and Milvus under Apache-2.0. Neither carries a licence fee.
What is the difference between orm and Milvus?
orm is written in TypeScript and Milvus in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, orm or Milvus?
Choose orm if you want the larger community (47,614 stars) or its Apache-2.0 licence terms. Choose Milvus if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.