head to head · open source
Milvus vs postgrest
Milvus has 46,563 GitHub stars, 4,325 forks, 1,405 open issues and last shipped yesterday. postgrest has 27,740 stars, 1,234 forks, 400 open issues and last shipped 4 days ago. Milvus leads on adoption by 68% (46,563 vs 27,740 stars). Milvus is written in Go under Apache-2.0; postgrest is written in Haskell under MIT. Milvus has attracted 9% as many forks as stars, postgrest 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 | postgrest | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 28K |
| License | Apache-2.0 | MIT |
| Written in | Go | Haskell |
| Last push | 2026-11-02 | 2026-10-30 |
| Forks | ⑂ 4.3K | ⑂ 1.2K |
| 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 postgrest if
- You want the postgrest feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Haskell
- You evaluated both and postgrest 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 postgrest
PostgREST serves a fully RESTful API from any existing PostgreSQL database. It provides a cleaner, more standards compliant, faster API than you are likely to write from scratch. Sponsors Big thanks to our sponsors! You can join them by supporting PostgREST on Patreon. Usage 1. See the docs for how to install PostgREST on your platform. You can also use Docker. 2. Invoke for help: Documentation Latest documentation is at postgrest.org. You can contribute to the docs in PostgREST/postgrest/docs. Performance TLDR; subsecond response times for up to 2000 requests/sec on Heroku free tier. If you're used to servers…
read the full postgrest overview →
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Frequently asked questions
Is Milvus or postgrest more popular?
Milvus has 46,563 GitHub stars and postgrest has 27,740. Milvus has the larger community by that measure.
Are Milvus and postgrest free?
Both are open source. Milvus is licensed under Apache-2.0 and postgrest under MIT. Neither carries a licence fee.
What is the difference between Milvus and postgrest?
Milvus is written in Go and postgrest in Haskell. 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 postgrest?
Choose Milvus if you want the larger community (46,563 stars) or its Apache-2.0 licence terms. Choose postgrest if its feature set, stack or MIT licence fits better. Both are self-hostable.