head to head · open source
Milvus vs omnigraph
Milvus has 46,166 GitHub stars, 4,257 forks, 1,405 open issues and last shipped today. omnigraph has 1,150 stars, 253 forks, 59 open issues and last shipped today. Milvus leads on adoption by 3,914% (46,166 vs 1,150 stars). Milvus is written in Go under Apache-2.0; omnigraph is written in Rust under MIT. Milvus has attracted 9% as many forks as stars, omnigraph 22%. 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 | omnigraph | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 1.1K |
| License | Apache-2.0 | MIT |
| Written in | Go | Rust |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 4.3K | ⑂ 253 |
| 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 omnigraph if
- You want the omnigraph feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and omnigraph 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 omnigraph
Omnigraph is an MIT licensed, Rust built lakehouse graph database that provides the operational state and coordination layer for fleets of AI agents, aimed at teams that need versioned, branchable context storage on their own infrastructure.
read the full omnigraph overview →
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Frequently asked questions
Is Milvus or omnigraph more popular?
Milvus has 46,166 GitHub stars and omnigraph has 1,150. Milvus has the larger community by that measure.
Are Milvus and omnigraph free?
Both are open source. Milvus is licensed under Apache-2.0 and omnigraph under MIT. Neither carries a licence fee.
What is the difference between Milvus and omnigraph?
Milvus is written in Go and omnigraph in Rust. 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 omnigraph?
Choose Milvus if you want the larger community (46,166 stars) or its Apache-2.0 licence terms. Choose omnigraph if its feature set, stack or MIT licence fits better. Both are self-hostable.