A side-by-side of two vector databases for building AI agents — live GitHub data, languages, and what each is best at.
| Chroma | Milvus | |
|---|---|---|
| GitHub stars | ★ 29k | ★ 45k |
| Language | Rust | Go |
| Category | Vector databases | Vector databases |
| Best for | RAG | billion-scale search |
| Repository | chroma-core/chroma | milvus-io/milvus |
Chroma and Milvus are both credible choices. By community traction, Milvus leads (★ 45k). Pick Chroma for RAG; pick Milvus for billion-scale search.
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