head to head · open source
Milvus vs code-graph-rag
Milvus has 46,166 GitHub stars, 4,257 forks, 1,405 open issues and last shipped today. code-graph-rag has 5,153 stars, 679 forks, 119 open issues and last shipped yesterday. Milvus leads on adoption by 796% (46,166 vs 5,153 stars). Milvus is written in Go under Apache-2.0; code-graph-rag is written in Python under MIT. Milvus has attracted 9% as many forks as stars, code-graph-rag 13%. 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 | code-graph-rag | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 5.2K |
| License | Apache-2.0 | MIT |
| Written in | Go | Python |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 4.3K | ⑂ 679 |
| 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 code-graph-rag if
- You want the code-graph-rag feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and code-graph-rag 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 code-graph-rag
Code Graph RAG is a Python developer tool for multi language codebase analysis and retrieval augmented generation. It parses repositories with Tree sitter, extracts functions, classes, methods, modules, and relationships, and stores them in a Memgraph knowledge graph under one language agnostic schema. It lives in the Python AI developer tools ecosystem.
read the full code-graph-rag overview →
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Frequently asked questions
Is Milvus or code-graph-rag more popular?
Milvus has 46,166 GitHub stars and code-graph-rag has 5,153. Milvus has the larger community by that measure.
Are Milvus and code-graph-rag free?
Both are open source. Milvus is licensed under Apache-2.0 and code-graph-rag under MIT. Neither carries a licence fee.
What is the difference between Milvus and code-graph-rag?
Milvus is written in Go and code-graph-rag 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 code-graph-rag?
Choose Milvus if you want the larger community (46,166 stars) or its Apache-2.0 licence terms. Choose code-graph-rag if its feature set, stack or MIT licence fits better. Both are self-hostable.