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Python: Fast. Lean. Robyn.

Rust-Core Python Framework

Pravash
4 min readMay 3, 2025
https://github.com/sparckles/Robyn

Introduction

Python’s web framework ecosystem is buzzing — from the classic Flask to the modern FastAPI, developers have had their fair share of tools. But there’s a new kid on the block making serious noise: Robyn.

It’s fast, it’s async, it’s written in Rust, and it’s aiming to become the Node.js of Python. If you care about performance, scalability, and modern design — Robyn is a name you need to know.

In this article, we’ll cover:

  • What Robyn is and why it matters
  • How it compares with Flask and FastAPI
  • Its standout features
  • When and why you should consider using it

Let’s dive in —

What is Robyn?

Robyn is an ultra-fast, async web framework for Python, powered by a core written in Rust. It combines the expressive power of Python with the raw speed and concurrency of Rust — offering developers the best of both worlds.

It is 5x faster than FastAPI. It Supports async and multi-threading and Uses Rust for speed (Or you can say alternative to Flask and FastAPI, optimized for multi-core processing).

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Pravash
Pravash

Written by Pravash

I am a passionate Data Engineer and Technology Enthusiast. Here I am using this platform to share my knowledge and experience on tech stacks.

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