head to head · open source
Milvus vs GraphRAG-SDK
Milvus has 46,166 GitHub stars, 4,257 forks, 1,405 open issues and last shipped today. GraphRAG-SDK has 1,002 stars, 142 forks, 41 open issues and last shipped 4 days ago. Milvus leads on adoption by 4,507% (46,166 vs 1,002 stars). Milvus is written in Go under Apache-2.0; GraphRAG-SDK is written in Python under Apache-2.0. Milvus has attracted 9% as many forks as stars, GraphRAG-SDK 14%. Milvus was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llm), so they are genuine substitutes rather than adjacent tools.
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 | GraphRAG-SDK | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 1.0K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-09-20 | 2026-09-16 |
| Forks | ⑂ 4.3K | ⑂ 142 |
| 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 GraphRAG-SDK if
- You want the GraphRAG-SDK feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and GraphRAG-SDK 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 GraphRAG-SDK
GraphRAG SDK is an open source Python framework from FalkorDB for building retrieval augmented generation applications on top of a knowledge graph, aimed at developers and teams who need cited, verifiable answers in production rather than demo grade prototypes.
read the full GraphRAG-SDK overview →
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Frequently asked questions
Is Milvus or GraphRAG-SDK more popular?
Milvus has 46,166 GitHub stars and GraphRAG-SDK has 1,002. Milvus has the larger community by that measure.
Are Milvus and GraphRAG-SDK free?
Both are open source. Milvus is licensed under Apache-2.0 and GraphRAG-SDK under Apache-2.0. Neither carries a licence fee.
What is the difference between Milvus and GraphRAG-SDK?
Milvus is written in Go and GraphRAG-SDK in Python. 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 GraphRAG-SDK?
Choose Milvus if you want the larger community (46,166 stars) or its Apache-2.0 licence terms. Choose GraphRAG-SDK if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.