PyRank

Vector Database Python Packages

Python packages with the GitHub topic vector-database. Sorted by monthly downloads, with stars and forks.
qdrant
qdrant-client

Python client for Qdrant vector search engine

12.5M 1K 338
lancedb
lancedb

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

7.8M 12K 1K
run-llama
llama-index-core

LlamaIndex is the document processing platform for AI

6.6M 53K 8K
run-llama
llama-index-instrumentation

LlamaIndex is the document processing platform for AI

4.7M 53K 8K
pinecone-io
pinecone

Official Python SDK for the Pinecone vector database

4M 453 135
milvus-io
pymilvus

Python SDK for Milvus Vector Database

3.7M 1K 481
run-llama
llama-index

LlamaIndex is the document processing platform for AI

2.9M 53K 8K
redis
redisvl

Redis Vector Library. The AI-native Python client for Redis.

1.8M 431 108
run-llama
llama-index-legacy

LlamaIndex is the document processing platform for AI

1.1M 53K 8K
PrithivirajDamodaran
flashrank

Lite & Super-fast re-ranking for your search & retrieval pipelines. Supports SoTA Listwise and Pairwise reranking based on LLMs and cross-encoders and more. Created by Prithivi Da, open for PRs & Collaborations.

482K 1K 71
langchain-ai
langchain-milvus

The LangChain wrapper of Milvus vector database for efficient vector search, full-text search, hybrid retrieval and RAG.

276K 59 48
oracle
langchain-oracledb

The Oracle LangChain integration provides official LangChain support for Oracle’s Generative AI and AI Platform services, enabling developers to build intelligent, secure, and scalable applications powered by Oracle’s cloud technologies.

225K 64 38
MinishLab
vicinity

Lightweight Nearest Neighbors with Flexible Backends

218K 351 15
gusye1234
nano-vectordb

A simple, easy-to-hack Vector Database

163K 208 12
VectifyAI
pageindex

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

135K 39K 3K
activeloopai
deeplake

Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.

113K 9K 724
topoteretes
cognee

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free

106K 32K 3K
oceanbase
pyobvector

A Python SDK for OceanBase Multimodal Store—enabling vector search, full-text search, and JSON table operations—offers both Milvus-compatible API and SQLAlchemy-based SQL mode, and supports both OceanBase and OceanBase seekdb.

91K 19 12
oracle
langchain-oci

The Oracle LangChain integration provides official LangChain support for Oracle’s Generative AI and AI Platform services, enabling developers to build intelligent, secure, and scalable applications powered by Oracle’s cloud technologies.

62K 64 38
topk-io
topk-sdk

High-quality search for AI-native applications.

39K 97 4
oracle
langgraph-oracledb

The Oracle LangChain integration provides official LangChain support for Oracle’s Generative AI and AI Platform services, enabling developers to build intelligent, secure, and scalable applications powered by Oracle’s cloud technologies.

33K 64 38
lightonai
fast-plaid

High-Performance Engine for Multi-Vector Search

32K 283 28
yp3y5akh0v
citadeldb

Local-first encrypted memory for AI agents

31K 3 1
alibaba
zvec

A lightweight, lightning-fast, in-process vector database

30K 16K 1K