Sanic

A Python web server and framework that's written to go fast.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Rising

License

Open Source

Data freshness

Verified · Jul 16, 2026

Overview

What is Sanic?

Sanic is a high-performance Python 3.6+ web server and microframework, designed for speed with async capabilities, making it ideal for building fast APIs and web applications.

Key differentiator

Sanic stands out as a high-performance microframework for Python, focusing on speed and async capabilities, making it ideal for fast API development.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

High performance with async capabilitiesmedium

Microframework for building fast APIs and web applicationsmedium

Built-in support for HTTP/2medium

Simple routing systemmedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited third-party integration supporthigh

Compared to Flask or Django, Sanic has fewer community-driven extensions and plugins

Smaller community and slower issue resolutionmedium

GitHub issues may take longer to be addressed due to a smaller core team

Fit analysis

Who is it for?

✓ Best for

Teams needing to build fast, scalable Python-based APIs and services

Projects where performance is critical and async capabilities are required

Developers looking for a lightweight framework with built-in HTTP/2 support

✕ Not a fit for

Applications requiring extensive middleware or complex routing features not natively supported by Sanic

Projects that need deep integration with specific Python web frameworks (e.g., Django, Flask)

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with Sanic

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →