Overview
Milvus — Open-source vector database
Milvus is the world's most popular open-source vector database, designed for scalable similarity search. It supports multiple embedding types, hybrid search (vector + scalar), and can handle billions of vectors—making it the go-to choice for self-hosted vector search at scale.
Open-source vector storage
Billion-scale vector search
Hybrid search (vector + scalar)
Multiple index types
Features & capabilities
Everything it does, in plain English.
The honest take
Where it shines, where it stumbles.
✓ Pros
- ✓Completely open source
- ✓Scales to billions of vectors
- ✓Highly performant
- ✓Large community
! Watch-outs
- !Complex to self-host and manage
- !Requires infrastructure expertise
- !Steeper learning curve than Pinecone
Who it's for
Where Milvus pays for itself fast.
Large-scale RAG systems
Enterprise semantic search
Recommendation engines
Image similarity search
Self-hosted vector storage
Community reviews
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