head to head · open source
Milvus vs Apache Cloudberry
Milvus has 46,578 GitHub stars, 4,327 forks, 1,405 open issues and last shipped yesterday. Apache Cloudberry has 1,438 stars, 266 forks, 218 open issues and last shipped 2 days ago. Milvus leads on adoption by 3,139% (46,578 vs 1,438 stars). Milvus is written in Go under Apache-2.0; Apache Cloudberry is written in C under Apache-2.0. Milvus has attracted 9% as many forks as stars, Apache Cloudberry 18%. 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 | Apache Cloudberry | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 1.4K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | C |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 4.3K | ⑂ 266 |
| 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 Apache Cloudberry if
- You want the Apache Cloudberry feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C
- You evaluated both and Apache Cloudberry 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 Apache Cloudberry
Apache Cloudberry (Incubating) Introduction Apache Cloudberry (Incubating), created by the original developers of Greenplum Database, is one advanced and mature open source Massively Parallel Processing (MPP) database, which evolves from the open source version of the Pivotal Greenplum Database®️ but features a newer PostgreSQL kernel and more advanced enterprise capabilities. It can serve as a data warehouse and can also be used for large scale analytics and AI/ML workloads. Build and try out Build from source You can follow these guides to build Cloudberry on Linux OS (including RHEL/Rocky Linux, and Ubuntu)…
read the full Apache Cloudberry overview →
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Frequently asked questions
Is Milvus or Apache Cloudberry more popular?
Milvus has 46,578 GitHub stars and Apache Cloudberry has 1,438. Milvus has the larger community by that measure.
Are Milvus and Apache Cloudberry free?
Both are open source. Milvus is licensed under Apache-2.0 and Apache Cloudberry under Apache-2.0. Neither carries a licence fee.
What is the difference between Milvus and Apache Cloudberry?
Milvus is written in Go and Apache Cloudberry in C. 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 Apache Cloudberry?
Choose Milvus if you want the larger community (46,578 stars) or its Apache-2.0 licence terms. Choose Apache Cloudberry if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.