Milvus vs Weaviate(2026)
Milvus is better for teams that need best for large-scale deployments. Weaviate is the stronger choice if richest feature set. Milvus is open-source (from $0) and Weaviate is open-source (from $0).
Full feature breakdown, pricing details, and pros & cons below.
By Bikram Nath
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Milvus
Milvus is an open-source, cloud-native vector database built for scalable similarity search. Designed for billion-scale vectors with high throughput and low latency.
Starting at $0
Visit MilvusWeaviate
Weaviate is an open-source vector database with built-in ML model integrations, graph-like data structures, and hybrid search — available self-hosted or as a managed cloud service.
Starting at $0
Visit WeaviateHow Do Milvus and Weaviate Compare on Features?
| Feature | Milvus | Weaviate |
|---|---|---|
| Pricing model | open-source | open-source |
| Starting price | $0 | $0 |
| Open source | ✓ | ✓ |
| Billion-scale vectors | ✓ | — |
| Multiple index types (IVF, HNSW) | ✓ | — |
| Cloud-native (Kubernetes) | ✓ | — |
| Attu GUI | ✓ | — |
| Multi-vector search | ✓ | — |
| Managed (Zilliz Cloud) | ✓ | — |
| Built-in vectorization modules | — | ✓ |
| Hybrid search (BM25 + vector) | — | ✓ |
| GraphQL API | — | ✓ |
| Multi-tenancy | — | ✓ |
| Self-hostable | — | ✓ |
| Managed cloud | — | ✓ |
Milvus Pros and Cons vs Weaviate
Milvus
Weaviate
Should You Use Milvus or Weaviate?
For most teams, Milvus is the better default: it offers best for large-scale deployments and is open-source (from $0). Choose Weaviate instead if richest feature set matters more than complex kubernetes deployment. There is no universal winner — the right pick depends on your budget, team size, and whether you value best for large-scale deployments or richest feature set more.
Choose Milvus if…
- •Best for large-scale deployments
- •Active CNCF project
- •Multiple index options
Choose Weaviate if…
- •Richest feature set
- •Built-in ML model support
- •Graph-like traversal