vs

Apache AGE vs PostgreSQL

Apache AGE: PostgreSQL extension that adds openCypher graph queries alongside SQL. PostgreSQL: The extensible, standards-first open-source relational database.

key differences

  • Apache AGE is primarily a graph database; PostgreSQL is relational.
  • Horizontal scaling is none in Apache AGE and addon in PostgreSQL.
  • Only PostgreSQL has full-text search, vector search, geospatial, change data capture, materialized views.

choose apache-age for

  • +Adding graph queries to an existing Postgres app
  • +Moderate-size knowledge graphs
  • +Hierarchies and dependency graphs
  • +Prototyping graph features without a new database

best at · Traversal, OLTP, Knowledge graph

choose postgresql for

  • +General-purpose application backend
  • +SaaS multi-tenant data
  • +Geospatial applications with PostGIS
  • +Semantic search alongside relational data with pgvector

best at · OLTP, Geo, Search

overview
Primary model
Graph
Relational
Also supports
Relational
Document, Spatial
Type
Extension
Database engine
Status
Active
Active
Developer
Apache Software Foundation
PostgreSQL Global Development Group
First release
2020
1996
Latest version
1.8.0 (PG18) (Aug 2026)
18.6 (Aug 13, 2026)
License
Open source (permissive)Apache License 2.0
Open source (permissive)PostgreSQL License
Free tier
✓
✓
popularity
WhichDB Score
20.2
93.2
Rank
#160
#1
GitHub stars
4.9K
22.6K
Stack Overflow questions
288
178.8K
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Medium (≤ 10 TB)
Horizontal scaling
None
Addon
Multi-region
Read replicas
Read replicas
ACID
Full
Full
Consistency
Strong
Strong
Schema
Flexible
Strict
Architecture
Single node, Primary replica, Client server
Single node, Primary replica, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
—
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
Azure
AWS, Google Cloud, Azure, Oracle Cloud, IBM Cloud, Alibaba Cloud
capabilities
Transactions
✓
✓
Joins
✓
✓
Secondary indexes
✓
✓
Full-text search
—
✓
Vector search
—
✓
Geospatial
—
✓
JSON
✓
✓
Change data capture
—
✓
Triggers
✓
✓
Stored procedures
✓
✓
Materialized views
—
✓
TTL / expiry
—
—
Pub/Sub
—
✓
Columnar storage
—
—
In-memory
—
—
Durable persistence
✓
✓
Compression
—
✓
Encryption at rest
—
—
Role-based access
✓
✓
Time travel
—
—
Branching
—
—
Online schema changes
—
✓
Streaming ingest
—
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
openCypher, SQL
SQL, PL/pgSQL
Client languages
Python, Go, Java, JavaScript, Rust
C, Java, Python, JavaScript, Go, Rust, C#, Ruby
Best for
Traversal, OLTP, Knowledge graph
OLTP, Geo, Search, Content

Apache AGE vs PostgreSQL: FAQ

What is the difference between Apache AGE and PostgreSQL?

Apache AGE: PostgreSQL extension that adds openCypher graph queries alongside SQL. PostgreSQL: The extensible, standards-first open-source relational database. Apache AGE is primarily a graph database; PostgreSQL is relational. Horizontal scaling is none in Apache AGE and addon in PostgreSQL. Only PostgreSQL has full-text search, vector search, geospatial, change data capture, materialized views.

When should I choose Apache AGE over PostgreSQL?

Choose Apache AGE for adding graph queries to an existing Postgres app; moderate-size knowledge graphs; and hierarchies and dependency graphs. Choose PostgreSQL for general-purpose application backend, SaaS multi-tenant data and geospatial applications with PostGIS.

Is Apache AGE or PostgreSQL more popular?

PostgreSQL ranks #1 on the WhichDB Score (93.2/100) and Apache AGE ranks #160 (20.2/100). Popularity is not fit: check the requirements that matter for your project.

Are Apache AGE and PostgreSQL open source?

Yes. Apache AGE is open source. License: Apache License 2.0. Yes. PostgreSQL is open source. License: PostgreSQL License.