Is PostgreSQL better than Redis in 2026?

It depends on your needs. Both rated 4.6/5 by users. PostgreSQL excels at postgresql is the most advanced open-source relational database, with support for jsonb, full-text search, brin/gist/gin indexes, and extensions like pgvector and timescaledb. free and open-source under the postgresql license. runs on every managed database service from aws to supabase., while Redis focuses on redis is an in-memory data structure store used as a cache, message broker, and primary database for latency-sensitive workloads. open-source (bsd) through version 7.2; version 7.4+ uses rssl/sspl licenses. redis cloud starts free; paid from $7/month.. PostgreSQL starts at free tier; Redis starts at $7/mo.

Which is cheaper, PostgreSQL or Redis?

PostgreSQL starts at free tier; Redis starts at $7/mo. PostgreSQL has a free plan, and Redis also offers a free tier.

Can I migrate from PostgreSQL to Redis?

Most users can switch between these tools. Redis supports data import from PostgreSQL. Plan 1-3 days for migration depending on data volume and team size.

What are the key differences between PostgreSQL and Redis?

PostgreSQL uniquely offers ACID Transactions, Advanced SQL, JSON/JSONB Support. Redis uniquely offers In-Memory Storage, Persistent Storage (RDB/AOF), Pub/Sub Messaging. Both share 0 features. PostgreSQL starts at free tier; Redis starts at $7/mo. Founded in 1996 and 2009 respectively.

When was this PostgreSQL vs Redis comparison last updated?

This comparison was last updated on May 13, 2026. We review and refresh our comparisons regularly to reflect the latest pricing, features, and ratings from PostgreSQL and Redis.

Home›Databases›Compare›PostgreSQL vs Redis

Updated May 13, 2026 · Independent Analysis

PostgreSQLvsRedis

Capability Overview

PostgreSQLvs Redis

★ 4.6/5+0.1 vs Redis

Only in PostgreSQL

✦ ACID Transactions
✦ Advanced SQL
✦ JSON/JSONB Support

✓ Free planMost popular users · est. 1996

View Full Review Try PostgreSQL Free

Redisvs PostgreSQL

★ 4.5/5-0.1 vs PostgreSQL

Only in Redis

✦ In-Memory Storage
✦ Persistent Storage (RDB/AOF)
✦ Pub/Sub Messaging

✓ Free planFrom $7/mo10M+ users · est. 2009

View Full Review Try Redis Free

Pricing Features Pros & Cons At a Glance FAQ Related

Pricing Intelligence

PostgreSQL Plans

Free tier available

Open Source0

Open Source

• Full SQL
• Extensions ecosystem
• Community support

Full PostgreSQL Pricing Breakdown →

Redis Plans

Free tier available

Open Source0

Open Source

• Full Redis
• RSAL license
• Community support

Redis CloudBest Value

$7/mo

• Managed Redis
• Free 30MB tier
• 99.999% SLA

Full Redis Pricing Breakdown →

Feature Matrix

5 differences found across 10 standardized features

Feature

PostgreSQL

Redis

ACID Transactions

✓

✗

Horizontal Scaling

✗

✓

Time Series

✗

✓

Multi-Model

✗

✓

Serverless

✓

✗

Total (raw)

Pros & Cons Face-Off

Evaluative strengths and weaknesses — not feature lists

PostgreSQL

Pros

+#1 most-loved database — massive community and ecosystem
+Rich extensions (pgvector, PostGIS, TimescaleDB)
+Zero licensing cost with enterprise-grade features
+Available managed on all major clouds

Cons

−Horizontal write scaling requires external solutions (Citus)
−Large cluster operations require database expertise

Redis

Pros

+Sub-millisecond latency — fastest data store for caching
+Universal — supported by every framework and language
+Rich data structures for real-time use cases
+Redis Stack adds search, JSON, and vector capabilities

Cons

−License changed to RSAL — Valkey is the open-source BSD fork
−In-memory storage makes large datasets expensive

At a Glance

User Rating

4.6/5vs4.5/5

PostgreSQL

▲

Redis

Starting Price

Pay-per-usevs$7/mo

PostgreSQL

Redis

▲

Feature Count

16 featuresvs16 features

PostgreSQL

Redis

User Base

0vs10.0M

PostgreSQL

Redis

▲

Frequently Asked Questions

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Authored by Oleh Kem·Reviewed by Oleh KemExpert verified·Updated May 13, 2026·Our methodology