Gunicorn
The facts below are what the maker publishes about Gunicorn, checked and dated. Our editors have not written about it yet.
Plans and prices
From Gunicorn's own pricing page, checked 4 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Gunicorn | Free | Open-source Python WSGI/ASGI server · sponsorship and sponsored support contracts are optional |
The facts
Each one read from Gunicorn's own pages, with the date it was checked.
What it does
- ASGI features
- The native ASGI worker supports HTTP/1.1, HTTP/2 with SSL, WebSockets, lifespan hooks, SSL/TLS, and the uWSGI protocol.checked 4 Oct 2026
- Deployment integrations
- The deployment guide recommends running Gunicorn behind a proxy and includes Nginx configuration as well as examples for HAProxy, stunnel, and AWS load balancers.checked 4 Oct 2026
- Frameworks
- The site lists Django, Flask, FastAPI, Pyramid, Starlette, Falcon, Bottle, and Quart as compatible frameworks.checked 4 Oct 2026
- Installation
- The installation guide lists pip, pipx, Docker, and system packages for Debian/Ubuntu, Fedora, and Arch Linux.checked 4 Oct 2026
- Monitoring
- Optional statsD instrumentation over UDP reports request rates, request duration, worker counts, and log event rates.checked 4 Oct 2026
- Paid support
- The project offers sponsored support contracts for priority bug fixes and feature requests.checked 4 Oct 2026
- Project history
- The support page says Gunicorn has served Python web applications since 2010 and is downloaded millions of times per month.checked 4 Oct 2026
- Purpose
- Gunicorn is a Python WSGI HTTP server for running Python web applications.checked 4 Oct 2026
- Python requirement
- The installation guide says Gunicorn requires Python 3.12 or newer.checked 4 Oct 2026
- Security guidance
- The deployment guide warns that default synchronous workers can be vulnerable to denial-of-service attacks unless the proxy buffers slow clients.checked 4 Oct 2026
- Security reporting
- The community page asks users to report security vulnerabilities privately to [email protected]; only core developers subscribe to that list.checked 4 Oct 2026
- Support
- The project provides GitHub issues and discussions plus a Libera.Chat channel, and notes that chat has no guaranteed watcher.checked 4 Oct 2026
- Worker model
- Its pre-fork worker model is described as handling traffic spikes gracefully.checked 4 Oct 2026
- Worker types
- The site describes sync, gevent/eventlet async, threaded, and native ASGI worker options.checked 4 Oct 2026
The company
- Founded
- 2010checked 28 Sep 2026
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