SQLite vs PostgreSQL

Side-by-side — pricing, strengths, tradeoffs, and fit.

SQLite

The most-deployed embedded SQL database — zero-config, serverless, single-file.

PostgreSQL

The world’s most advanced open-source relational database.

At a glance

Open SourceFree Tier
● Established·From $0
Open SourceFree Tier
● Established·From $0

Overview

One-liner

The most-deployed embedded SQL database — zero-config, serverless, single-file.

One-liner

The world’s most advanced open-source relational database.

Maturity

Established

Maturity

Established

Open source

✓ Yes

Open source

✓ Yes

Pricing

Free tier

✓ Available

Public domain, free

Free tier

✓ Available

Free and open source

Starts at

$0

Starts at

$0

Model

Flat rate

Model

Flat rate

Enterprise

✕ None

Enterprise

✕ None

Best for

✓ Best for

Embedded, local-first, and edge appsZero-config single-file database
Prototypes and small appsNo server to provision

✓ Best for

Most application databasesReliable, flexible relational store with JSON support
RAG/AI apps via pgvectorVector search alongside relational data

Not ideal for

✕ Not for

—

✕ Not for

—

Strengths

↑ Strengths

Zero configuration
Incredibly reliable and tested
Great for edge/local-first

↑ Strengths

Extremely capable and extensible
Rock-solid reliability
Ubiquitous managed options

Weaknesses

↓ Weaknesses

Limited concurrent writers
Not for large multi-tenant scale

↓ Weaknesses

Self-managing at scale is non-trivial
Defaults need tuning for big workloads
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