vioscaleAI
Comparison

MySQL vs PostgreSQL

No clear leader: MySQL (65.2) and PostgreSQL (61.3) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

MySQL full profile →PostgreSQL full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
MySQL65
PostgreSQL61
Score
vioscaleAI score
MySQL65 / 100medium · 53%
PostgreSQL61 / 100medium · 60%
Pricing
Free tier
MySQL✓
PostgreSQL✓
Model
MySQLopen_source
PostgreSQLopen_source
Price level
MySQLfree
PostgreSQLfree
Transparent
MySQL✗
PostgreSQL–
Integrations
Count
MySQL–
PostgreSQL6
Security
Disclosure policy
MySQL–
PostgreSQL✓
Scorecard
MySQL5.1
PostgreSQL6.1
Trust center
Vulnerabilities
Adoption
Dependent repos
MySQL664
PostgreSQL0
Github stars
MySQL12,441
PostgreSQL22,285
Stackoverflow questions
MySQL230,000
PostgreSQL170,000
Activity
Commits last 30d
MySQL100
PostgreSQL100
Release
Cadence days
MySQL90
PostgreSQL90
License
Spdx
MySQLGPL-2.0
PostgreSQLPostgreSQL
Language
Primary
MySQLC++
PostgreSQLC
Market
Availability
Content
Faq
MySQL8 items
PostgreSQL8 items

Capabilities

Feature-by-feature on the axes that matter for relational databases. “-” means undocumented, not absent.

Core
SQL model
MySQLFull SQL
PostgreSQLFull SQL
Transactions
ACID transactions
MySQLFull
PostgreSQLFull
Highest isolation level
MySQLSerializable
PostgreSQL-
Consistency
Consistency
MySQLStrong
PostgreSQL-
Scale
Horizontal scale
MySQLNatively distributed
PostgreSQLRead replicas
Replication
Replication
MySQLAsync
PostgreSQL-
Availability
Automatic failover / HA
MySQL✓
PostgreSQL✓
Deployment
Deployment
MySQLSelf-hosted
PostgreSQLSelf-hosted
Serverless / scale-to-zero
MySQL✓
PostgreSQL✗
Compatibility
Wire compatibility
MySQLMySQL protocol
PostgreSQL-
Extensibility
Extensions / plugins / UDFs
MySQL✓
PostgreSQL✓
Licensing
Licence class
MySQLCopyleft
PostgreSQLPermissive OSS
Data types
JSON / document support
MySQL✓
PostgreSQL✓
Geo / spatial
MySQL-
PostgreSQLExtension

What each one is

The product in its own terms, so the numbers below have context.

MySQL

MySQL is an open-source SQL database server. MySQL Cluster extends it with real-time transaction processing capabilities for distributed deployments.

Independently observed

PostgreSQL

PostgreSQL is an open source relational database with over 35 years of active development. It supports transactions, user-defined functions, and a broad subset of SQL, widely used for data storage and retrieval in applications ranging from small projects to enterprise deployments.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

MySQL

Open sourceFree tier

Community edition free; Enterprise/Standard/Classic editions require contacting sales

  • MySQL Community ServerFree
  • MySQL Enterprise EditionContact sales
  • MySQL Standard EditionContact sales
  • MySQL Classic EditionContact sales
as of verify ↗

PostgreSQL

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
MySQL✓
PostgreSQL✗
macOS
MySQL✗
PostgreSQL✓
Windows
MySQL✗
PostgreSQL✓
Linux
MySQL✗
PostgreSQL✓
Deployment
Cloud / SaaS
MySQL✗
PostgreSQL✓
Self-hosted
MySQL✓
PostgreSQL✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

MySQL

Not documented yet.

PostgreSQL

10 total
  • CloudNativePG
  • Kubernetes
  • Patroni
  • pgAdmin
  • pgVector
  • PostGIS
  • pgAudit
  • Spock
  • Cilium
  • Submariner
Independently observed
Still deciding?

MySQL or PostgreSQL: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.