pgvector alternatives in 2026: 13 tools like pgvector

Closest: Vector Databases

Chroma

AI-native open-source embedding database

CuratedLinuxMacWebWindows

0 use thisCompare with pgvector
LanceDB

Open-source multimodal lakehouse and vector database for AI

Curated

0 use thisCompare with pgvector
Milvus

Open-source vector database built for AI

CuratedLinuxMacWindows

0 use thisCompare with pgvector
Pinecone

Managed vector database for ML applications

CuratedWeb

0 use thisCompare with pgvector
Qdrant

Vector similarity search engine

CuratedLinuxMacWebWindows

0 use thisCompare with pgvector
turbopuffer

Vector and full-text search built on object storage

CuratedWeb

0 use thisCompare with pgvector
Weaviate

Open-source vector database with ML integrations

Curated

0 use thisCompare with pgvector

More in Vector & Search

Elasticsearch

Distributed search and analytics engine

CuratedLinuxMacWebWindows

0 use thisCompare with pgvector
OpenSearch

Open-source search and analytics suite for vector and keyword search

CuratedLinuxWindows

0 use thisCompare with pgvector
Vespa

Big data serving engine with ML integration

Curated

0 use thisCompare with pgvector
Annoy

Approximate nearest neighbors by Spotify

Curated

0 use thisCompare with pgvector
FAISS

Library for efficient similarity search by Meta

Curated

0 use thisCompare with pgvector
ScaNN

Scalable nearest neighbors library by Google

Curated

0 use thisCompare with pgvector

Questions

What are the closest alternatives to pgvector?

Chroma, LanceDB and Milvus sit on the same sub-line as pgvector (Vector Databases) on AI Landscape, with 4 more.

How are these alternatives chosen?

They are the other products on the Vector & Search stop of the map: curated products first, the ones on pgvector's sub-line before the rest, then by name until members have marked enough of them.