pgvector vs PostgreSQL

Detailed comparison across 10 dimensions

pgvector and PostgreSQL score closely across Staquest's six weighted dimensions, with no decisive overall winner. Both offer a free tier.

Quick Overview

Overview	pgvectorOpen-source vector similarity search extension for PostgreSQL.	PostgreSQLAdvanced open-source relational database system.
Type	hybrid	hybrid
Company	Open Source Community	PostgreSQL Global Development Group
Free Tier
Has API
Open Source
Trending	Stable	Stable
Industries	DevelopmentData & Analytics	DevelopmentData & Analytics
Categories	database	database
Website	Visit	Visit

Dimension Scores

Winners by Dimension

Pricing Value

Tie15% weight

pgvector

8.0

PostgreSQL

8.0

Free Tier

pgvector10% weight

pgvector

8.0

PostgreSQL

7.5

Scalability

Tie10% weight

pgvector

4.8

PostgreSQL

4.8

Integrations

Tie10% weight

pgvector

8.0

PostgreSQL

8.0

Community

Tie5% weight

pgvector

3.1

PostgreSQL

3.1

Open Source

Tie5% weight

pgvector

7.0

PostgreSQL

7.0

Pricing Comparison

pgvector

Open Source

Free

open source

Vector similarity search
L2 distance, inner product, and cosine distance
HNSW and IVFFlat indexing
Native PostgreSQL integration

PostgreSQL

Free

open source

Free and open-source software
No fees to download, use, modify, or distribute
Commercial use permitted

Feature Comparison

Feature	pgvector	postgresql
Hnsw And Ivfflat Indexing
Commercial Use Permitted
L2 Distance, Inner Product, And Cosine Distance
Free And Open-Source Software
Native Postgresql Integration
No Fees To Download, Use, Modify, Or Distribute
Vector Similarity Search

Showing 7 of 7 features

Dashes mean the feature isn't listed in our data. The tool may still support it.

Frequently asked questions

Does pgvector or PostgreSQL have a free tier?

Both pgvector and PostgreSQL offer a free tier.

View pgvector View PostgreSQL