Library/pgvector
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pgvector/pgvector

pgvector

Open-source vector similarity search for Postgres

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pgvector

pgvector

pgvector • individual

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20,584

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1,125

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Created

Apr 20, 2021

Project creation date

README Summary

pgvector is an open-source PostgreSQL extension that adds vector similarity search capabilities to Postgres databases. It provides vector data types, distance functions, and indexing methods optimized for machine learning embeddings and similarity search operations. The extension supports various distance metrics and can handle high-dimensional vector data efficiently.

AI Dev Skills

Unmapped

Vector Similarity SearchDatabase ExtensionsVector IndexingApproximate Nearest Neighbor SearchEmbedding StorageVector Distance Metrics

Tags

Vector Similarity SearchDatabase ExtensionsVector IndexingApproximate Nearest Neighbor SearchEmbedding StorageVector Distance MetricsImage Similarity SearchEmbedding-based AISemantic Document SearchSelf-hostedRecommendation SystemsEmbedding-based Question AnsweringImageRAG Vector RetrievalOn-premiseCloudContent Similarity MatchingSemantic SearchTextVector DatabasesRetrieval-Augmented GenerationMultimodalC

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Recent Activity

Updated 27 days ago

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90 Days

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Quality

production
Quality
high
Maturity
production

Categories

Dev Tools & AutomationPrimaryRAG & RetrievalEvals & BenchmarkingNLP & TextMultimodal AISearch & KnowledgeOther AI / MLFoundation Models

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Developer Platform

Languages

C100.0%

Timeline

Project created
Apr 20, 2021
Forked
Mar 22, 2026
Your last push
27 days ago
Upstream last push
27 days ago
Tracked since
Mar 17, 2026

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