Milvus vs. pgvector Comparison


Milvus Zilliz	pgvector	+	+
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About Vector database built for scalable similarity search. Open-source, highly scalable, and blazing fast. Store, index, and manage massive embedding vectors generated by deep neural networks and other machine learning (ML) models. With Milvus vector database, you can create a large-scale similarity search service in less than a minute. Simple and intuitive SDKs are also available for a variety of different languages. Milvus is hardware efficient and provides advanced indexing algorithms, achieving a 10x performance boost in retrieval speed. Milvus vector database has been battle-tested by over a thousand enterprise users in a variety of use cases. With extensive isolation of individual system components, Milvus is highly resilient and reliable. The distributed and high-throughput nature of Milvus makes it a natural fit for serving large-scale vector data. Milvus vector database adopts a systemic approach to cloud-nativity, separating compute from storage.	About Open-source vector similarity search for Postgres. Supports exact and approximate nearest neighbor search for L2 distance, inner product, and cosine distance.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Enterprises in need of a solution to manage their vector data and create a large scale similarity search service	Audience Developers interested in an open source vector similarity search for Postgres
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Not Supported
API Offers API Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Free Version Supported Free Trial Not Supported	Pricing Free Open source Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Supported In Person Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Zilliz Founded: 2020 United States milvus.io	Company Information pgvector github.com/pgvector/pgvector
Alternatives Qdrant	Alternatives Chroma
Zilliz Cloud Zilliz	Embeddinghub Featureform
Chroma	LanceDB
LanceDB	Actian VectorAI DB Actian
Pinecone View All	Vald View All
Categories Context Engineering Supported Database Supported Vector Databases Supported	Categories Vector Databases Supported

Integrations Amazon S3 Supported Apache Kafka Supported Apache Pulsar Supported Apify Not Supported Azure Blob Storage Supported Cake AI Not Supported Cognee Supported Database Mart Supported Docker Supported IBM watsonx.data Supported Kubernetes Supported Langtrace Not Supported MinIO Supported MyDBA.dev Not Supported Nebius Token Factory Not Supported PostgreSQL Not Supported Prompt Security Supported Supabase Not Supported Superexpert.AI Not Supported Zilliz Cloud Supported Show More Integrations View All 12 Integrations	Integrations Amazon S3 Not Supported Apache Kafka Not Supported Apache Pulsar Not Supported Apify Supported Azure Blob Storage Not Supported Cake AI Supported Cognee Not Supported Database Mart Not Supported Docker Not Supported IBM watsonx.data Not Supported Kubernetes Not Supported Langtrace Supported MinIO Not Supported MyDBA.dev Supported Nebius Token Factory Supported PostgreSQL Supported Prompt Security Not Supported Supabase Supported Superexpert.AI Supported Zilliz Cloud Not Supported Show More Integrations View All 8 Integrations
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