Frontend Frameworks

Reflex

Build reactive full-stack web apps with Python.

Status
Generally available
Last checked
Checked · Oct 16, 2026
License
Open source
Pricing
Free tier · from $0
Visit Reflex Compare with alternatives

What it is

Reflex is a framework for building reactive, full-stack web applications entirely in Python. It simplifies the process of creating interactive and dynamic web interfaces by leveraging Python's simplicity and power.

Reflex stands out by offering a full-stack, reactive web development framework entirely in Python, making it ideal for developers who prefer to work within the Python ecosystem.

When it fits — and when it doesn’t

A good fit for

  • Python developers looking for a full-stack framework that simplifies web app creation

  • Teams who prefer using one language (Python) across the entire stack

  • Educational projects where simplicity and rapid development cycles are crucial

Look elsewhere if

  • Projects requiring deep integration with JavaScript frameworks like React or Vue.js

  • Applications needing fine-grained control over client-side rendering beyond Python's capabilities

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited ecosystem and integrations compared to more mature frameworks

    Fewer third-party libraries and plugins available for specific use cases

  2. 02

    Performance may lag behind specialized frontend technologies like React or Vue.js

    Python-based rendering can be slower than JavaScript in the browser

What it does well

  • Build full-stack applications with Python only

  • Reactive programming model for dynamic web interfaces

  • Hot-reloading for rapid development cycles

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up Reflex

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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Reflex — tracked on AI Navigator

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