Comparison

PostgreSQL vs Vitess

No clear leader: PostgreSQL (61.3) and Vitess (60.1) 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.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
PostgreSQL61
Vitess60
Score
vioscaleAI score
PostgreSQL61 / 100medium · 60%
Vitess60 / 100low · 49%
Pricing
Free tier
PostgreSQL✓
Vitess–
Model
PostgreSQLopen_source
Vitess–
Price level
PostgreSQLfree
Vitess–
Integrations
Count
PostgreSQL6
Vitess–
Adoption
Dependent repos
PostgreSQL0
Vitess235
Github stars
PostgreSQL22,285
Vitess21,384
Stackoverflow questions
PostgreSQL170,000
Vitess–
Activity
Commits last 30d
PostgreSQL100
Vitess100
Release
Cadence days
PostgreSQL90
Vitess6
History
PostgreSQL–
Vitess20 items
License
Spdx
PostgreSQLPostgreSQL
Language
Primary
PostgreSQLC
VitessGo
Market
Availability
Vitess–
Content
Faq
PostgreSQL8 items
Vitess3 items

Capabilities

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

Core
SQL model
PostgreSQLFull SQL
VitessFull SQL
Transactions
ACID transactions
PostgreSQLFull
Vitess-
Highest isolation level
PostgreSQL-
Vitess-
Consistency
Consistency
PostgreSQL-
Vitess-
Scale
Horizontal scale
PostgreSQLRead replicas
VitessSharded
Replication
Replication
PostgreSQL-
Vitess-
Availability
Automatic failover / HA
PostgreSQL✓
Vitess✓
Deployment
Deployment
PostgreSQLSelf-hosted
VitessSelf-hosted
Serverless / scale-to-zero
PostgreSQL✗
Vitess-
Compatibility
Wire compatibility
PostgreSQL-
VitessMySQL protocol
Extensibility
Extensions / plugins / UDFs
PostgreSQL✓
Vitess-
Licensing
Licence class
PostgreSQLPermissive OSS
Vitess-
Data types
JSON / document support
PostgreSQL✓
Vitess-
Geo / spatial
PostgreSQLExtension
Vitess-

What each one is

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

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

Vitess

Vitess is a MySQL-compatible database that extends scalability through built-in sharding and improves performance via query rewriting, caching, and connection pooling. It provides automatic failure detection and repair for high availability.

Independently observed

Pricing

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

PostgreSQL

Open sourceFree tier
as of verify ↗

Vitess

Pricing not documented yet.

Platform & deployment

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

Platforms
macOS
PostgreSQL✓
Vitess–
Windows
PostgreSQL✓
Vitess–
Linux
PostgreSQL✓
Vitess–
Deployment
Cloud / SaaS
PostgreSQL✓
Vitess✗
Self-hosted
PostgreSQL✓
Vitess✓

Integrations

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

PostgreSQL

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

Vitess

Not documented yet.

Still deciding?

PostgreSQL or Vitess: 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.