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pgvector/pgvector

pgvector

Open-source vector similarity search for Postgres

View on GitHub↗Upstream pgvector/pgvector↗

Builder

pgvector

pgvector

pgvector • individual

Stars

22,223

Using upstream star count

Forks

1,246

Using upstream fork count

Open Issues

0

Activity Score

0/100

0 commits in 30d

Created

Apr 20, 2021

Project creation date

README Summary

Store your vectors with the rest of your data. Supports:

Community Evaluation

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AI Dev Skills

Unmapped

Approximate Nearest Neighbor SearchDatabase ExtensionsEmbedding StorageVector Distance MetricsVector IndexingVector Similarity Search

Tags

Approximate Nearest Neighbor SearchDatabase ExtensionsEmbedding StorageVector Distance MetricsVector IndexingVector Similarity SearchBenchmarkingC++CLI ToolDatabaseDockerEmbeddingsForkedHybrid SearchJavaScriptOpenAIPythonQuantizationRerankingResearch / PapersRustTutorialTypeScriptpgvector

Taxonomy

AI Trends

Retrieval-Augmented GenerationVector DatabasesSemantic SearchEmbedding-based AI

category

RAG & RetrievalFoundation ModelsEvals & BenchmarkingMLOps & InfrastructureDev Tools & AutomationLearning Resources

Deployment Context

Self-hostedCloudOn-premise

Modalities

TextImageMultimodal

Skill Areas

Vector Similarity SearchDatabase ExtensionsVector IndexingApproximate Nearest Neighbor SearchEmbedding StorageVector Distance Metrics

tag

BenchmarkingC++CLI ToolDatabaseDockerEmbeddingsForkedHybrid SearchJavaScriptOpenAIPythonQuantizationRerankingResearch / PapersRustTutorialTypeScriptpgvector

Use Cases

Semantic Document SearchRecommendation SystemsRAG Vector RetrievalContent Similarity MatchingEmbedding-based Question AnsweringImage Similarity Search

Recent Activity

Updated 4 months ago

7 Days

0

30 Days

0

90 Days

0

Improved includes [skip ci]

Andrew Kane • Feb 26, 2026

17916ca

Improved casting for HNSW scan memory limit [skip ci]

Andrew Kane • Feb 25, 2026

284f2f0

Improved limit for HNSW scan memory

Andrew Kane • Feb 25, 2026

edd4986

Quality

production
Quality
high
Maturity
production

Categories

RAG & RetrievalPrimaryEvals & BenchmarkingMLOps & InfrastructureDev Tools & AutomationLearning ResourcesOther AI / MLFoundation ModelsSearch & Knowledge

PM Skills

Cost & EfficiencyScale & ReliabilityData & EvaluationProduct DiscoveryDeveloper Platform

Languages

C100.0%

Timeline

Project created
Apr 20, 2021
Forked
Mar 22, 2026
Your last push
4 months ago
Upstream last push
2 months ago
Tracked since
Mar 17, 2026

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