Zilliz
zilliz.com
#1
A managed vector database for engineering teams building RAG or large-scale AI search apps that need billion-scale similarity search.
#Data Analytics
verifiedFreemium · from $126/mo
Category · 5 tools verified
Best AI Vector DB & Search Infrastructure Tools of 2026
All 5 Vector DB & Search Infrastructure tools that are actually alive — cross-checked against multiple directories, liveness-verified, and ranked by real traffic. Dead links and clones removed. Verified means we checked — not that someone paid.
See the ranked list ↓5
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The ranked list
Showing 5 of 5 live tools · ranked by real traffic
SvectorDB
svectordb.com
#2
Serverless, pay-per-request vector database built specifically for AWS workloads, with a free tier and built-in embedding models.
#Data Analytics
verifiedFreemium · from $0.25/mo
Infinity
infiniflow.org
#3
Open-source AI-native database offering very fast hybrid search over dense, sparse, tensor and full-text data for LLM apps.
#Data Analytics
verifiedFree
RecoFeed
getmegaportal.com
#4
Tool for building on-device, privacy-preserving personalized recommendation feeds using a local vector database.
#Data Analytics
verifiedFreemium
Weaviate
weaviate.io
#5
Open-source vector database for developers building RAG, semantic search, and AI agent memory at scale.
#Data Analytics
verifiedFreemium · from $45/mo
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Vector DB & Search Infrastructure tools compared
| Tool | Best for | Free tier | Price | Monthly visits |
|---|---|---|---|---|
| Zilliz | A managed vector database for engineering teams building RAG or large-scale AI search apps that need billion-scale similarity search. | Yes | $126/mo | 174K |
| SvectorDB | Serverless, pay-per-request vector database built specifically for AWS workloads, with a free tier and built-in embedding models. | Yes | $0.25/mo | 2.4K |
| Infinity | Open-source AI-native database offering very fast hybrid search over dense, sparse, tensor and full-text data for LLM apps. | Yes | Free | — |
| RecoFeed | Tool for building on-device, privacy-preserving personalized recommendation feeds using a local vector database. | Yes | Freemium | — |
| Weaviate | Open-source vector database for developers building RAG, semantic search, and AI agent memory at scale. | Yes | $45/mo | — |
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