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PostgreSQL pgvector
productdatabase_extension
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Overview
Developed byAndrew Kane
LicensePostgreSQL License
Open source✓ Open Source
Primary languageC
Use casevector similarity search
Also see
Alternative to
Pinecone
Knowledge graph stats
Claims14
Avg confidence96%
Avg freshness99%
Last updatedUpdated 4 days ago
Trust distribution
100% unverified
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PostgreSQL pgvector

product

PostgreSQL extension for vector similarity search operations with efficient indexing and querying.

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license type

ValueTrustConfidenceFreshnessSources
PostgreSQL License○UnverifiedHighFresh1

open source

ValueTrustConfidenceFreshnessSources
true○UnverifiedHighFresh1

primary use case

ValueTrustConfidenceFreshnessSources
vector similarity search○UnverifiedHighFresh1

requires

ValueTrustConfidenceFreshnessSources
PostgreSQL○UnverifiedHighFresh1

supports data type

ValueTrustConfidenceFreshnessSources
vector○UnverifiedHighFresh1

pricing model

ValueTrustConfidenceFreshnessSources
free○UnverifiedHighFresh1

developed by

ValueTrustConfidenceFreshnessSources
Andrew Kane○UnverifiedHighFresh1

supports index type

ValueTrustConfidenceFreshnessSources
HNSW○UnverifiedHighFresh1
IVFFlat○UnverifiedHighFresh1

supports distance metric

ValueTrustConfidenceFreshnessSources
L2 distance○UnverifiedHighFresh1
cosine distance○UnverifiedHighFresh1
inner product○UnverifiedHighFresh1

programming language

ValueTrustConfidenceFreshnessSources
C○UnverifiedHighFresh1

alternative to

ValueTrustConfidenceFreshnessSources
Pinecone○UnverifiedModerateFresh1

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Claim count: 14Last updated: 4/6/2026Edit history