head to head · open source
Milvus vs agensgraph
Milvus has 46,439 GitHub stars, 4,307 forks, 1,405 open issues and last shipped today. agensgraph has 1,512 stars, 160 forks, 141 open issues and last shipped yesterday. Milvus leads on adoption by 2,971% (46,439 vs 1,512 stars). Milvus is written in Go under Apache-2.0; agensgraph is written in C under Apache-2.0. Milvus has attracted 9% as many forks as stars, agensgraph 11%. 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 | agensgraph | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 1.5K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | C |
| Last push | 2026-10-20 | 2026-10-19 |
| Forks | ⑂ 4.3K | ⑂ 160 |
| 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 agensgraph if
- You want the agensgraph 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 agensgraph 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 agensgraph
A high performance graph database built on PostgreSQL. Graphs and tables in one database. SQL, openCypher and ISO GQL in one query. Documentation · Quick start · AI and agents · Discussions · Releases What AgensGraph is PostgreSQL with the property graph model built in. A fork of PostgreSQL, not an extension. A graph is a schema, a label is a table, a vertex or an edge is a row. Graph data and relational tables live in one database and commit in one transaction. Query with SQL, openCypher and ISO GQL (ISO/IEC 39075). Mix them in one statement. Everything PostgreSQL has works on graph data: transactions, roles…
read the full agensgraph overview →
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Frequently asked questions
Is Milvus or agensgraph more popular?
Milvus has 46,439 GitHub stars and agensgraph has 1,512. Milvus has the larger community by that measure.
Are Milvus and agensgraph free?
Both are open source. Milvus is licensed under Apache-2.0 and agensgraph under Apache-2.0. Neither carries a licence fee.
What is the difference between Milvus and agensgraph?
Milvus is written in Go and agensgraph 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 agensgraph?
Choose Milvus if you want the larger community (46,439 stars) or its Apache-2.0 licence terms. Choose agensgraph if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.