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
14 hours ago
GoActive
Faiss logo

Faiss

High-performance library for similarity search on dense vectors

Stars
39,287
License
MIT
Last commit
7 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
6 hours ago
RustActive
Chroma logo

Chroma

Embedding database for building LLM apps with memory

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

pgvector

Vector similarity search integrated directly into PostgreSQL

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

Weaviate

Scalable vector database for semantic search and AI applications

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

High-performance vector database built for AI at scale

Recently updated
4 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.