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Vector Databases · 2026
6 tools · 6 dimensions · Ranked by weighted score
Click any column to sort
| Weighted average | Overall | SDK quality, indexing API, and setup speed. | ANN search speed and recall accuracy at scale. | Index size limits and horizontal scaling for billions of vectors. | Cost per million vectors and free tier generosity. | Combining vector similarity with keyword/metadata filtering. | LangChain/LlamaIndex integrations and framework support. | Monthly |
| ★Pinecone The most widely adopted managed vector… | 89 | 94 | 92 | 95 | 65 | 75 | 95 | Free freemium |
| Qdrant Fast, open-source vector search writte… | 88 | 88 | 92 | 88 | 88 | 85 | 82 | Free freemium |
| Weaviate Open-source vector database with built… | 86 | 85 | 86 | 85 | 82 | 92 | 88 | Free freemium |
| Milvus Enterprise-grade open-source vector da… | 82 | 65 | 90 | 98 | 85 | 78 | 75 | Free free |
| Chroma The embedding database built for AI ap… | 79 | 92 | 75 | 60 | 98 | 65 | 85 | Free free |
| pgvector Vector search as a Postgres extension … | 77 | 80 | 72 | 65 | 96 | 88 | 80 | Free free |
Click tool names to see the full radar breakdown · Open screener for advanced filtering
Developer UX
SDK quality, indexing API, and setup speed.
Query Performance
ANN search speed and recall accuracy at scale.
Scalability
Index size limits and horizontal scaling for billions of vectors.
Price / Value
Cost per million vectors and free tier generosity.
Hybrid Search
Combining vector similarity with keyword/metadata filtering.
| Tool | Score | Developer UX | Query Performance | Scalability | Price / Value | Hybrid Search | Ecosystem | Price |
|---|---|---|---|---|---|---|---|---|
| Pinecone★ | 89 | 94 | 92 | 95 | 65 | 75 | 95 | Free |
| Qdrant | 88 | 88 | 92 | 88 | 88 | 85 | 82 | Free |
| Weaviate | 86 | 85 | 86 | 85 | 82 | 92 | 88 | Free |
| Milvus | 82 | 65 | 90 | 98 | 85 | 78 | 75 | Free |
| Chroma | 79 | 92 | 75 | 60 | 98 | 65 | 85 | Free |
| pgvector | 77 | 80 | 72 | 65 | 96 | 88 | 80 | Free |
Top Pick
Pinecone
89/100
Best: Scalability (95)
Runner Up
Qdrant
88/100
Best: Query Performance (92)
Third Place
Weaviate
86/100
Best: Hybrid Search (92)