# pgvector vs Qdrant vs Weaviate vs Milvus vs Chroma

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## Article Metadata
- Title: pgvector vs Qdrant vs Weaviate vs Milvus vs Chroma
- Summary: How five vector stores differ in design centre, filtering and operational burden, plus the scale signals that justify running one at all.
- Published: Sep 12, 2026, 12:37 PM EDT
- Updated: Sep 12, 2026, 12:37 PM EDT
- Category: Research
- Primary topic: Vector Database
- Authors: Elena Voss
- Read time: 14 min
- Language: en_US
- Publication time zone: America/New_York (U.S. Eastern Time)
- Access: Free to read

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- [Research](https://threatfrontier.com/categories/research): Category archive for related coverage.
- [Vector Database](https://threatfrontier.com/tags/vector-database): 1 public article in this topic.

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