Best Vector Databases Tools

Datastores optimized for vector similarity search (ANN).

Top Open Source Vector Databases platforms

View all 10+ open-source options
Milvus logo

Milvus

High-performance vector database built for AI at scale

Stars
43,183
License
Apache-2.0
Last commit
12 hours ago
GoActive
Faiss logo

Faiss

High-performance library for similarity search on dense vectors

Stars
39,287
License
MIT
Last commit
5 hours ago
C++Active
Qdrant logo

Qdrant

Fast, scalable vector search engine for AI-driven applications

Stars
29,353
License
Apache-2.0
Last commit
4 hours ago
RustActive
Chroma logo

Chroma

Embedding database for building LLM apps with memory

Stars
26,500
License
Apache-2.0
Last commit
3 hours ago
RustActive
pgvector logo

pgvector

Vector similarity search integrated directly into PostgreSQL

Stars
20,138
License
Last commit
9 days ago
CActive
Weaviate logo

Weaviate

Scalable vector database for semantic search and AI applications

Stars
15,754
License
BSD-3-Clause
Last commit
7 hours ago
GoActive
Most starred project
43,183★

High-performance vector database built for AI at scale

Recently updated
3 hours ago

Chroma is an embedding database that enables Python and JavaScript developers to add semantic search and memory to LLM applications with a simple 4-function API.

Dominant language
C++ • 3 projects

Expect a strong C++ presence among maintained projects.

Leading Vector Databases SaaS platforms

Pinecone logo

Pinecone

Managed vector database for AI applications

Vector Databases
Alternatives tracked
13 alternatives
Qdrant logo

Qdrant

Open-source vector database

Vector Databases
Alternatives tracked
12 alternatives
ZIL

Zilliz

Managed vector database service for AI applications

Vector Databases
Alternatives tracked
11 alternatives
Most compared product
10+ open-source alternatives

Pinecone is a fully managed vector database service designed for similarity search at scale, featuring serverless architecture, real-time indexing, and enterprise security for AI applications.

Leading hosted platforms

Frequently replaced when teams want private deployments and lower TCO.