Gunicorn vs Puma
Gunicorn
gunicorn.org
Puma
puma.ioSide by side
| Figure | Gunicorn | Puma |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Windows | — | Yes |
| macOS | Yes | — |
| Linux | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 1 | 1 |
| Spec score · Web Server Software | 8.1 (#7) | 7.5 (#22) |
| Founded | 2010 | 2011 |
| Frameworks | The site lists Django, Flask, FastAPI, Pyramid, Starlette, Falcon, Bottle, and Quart as compatible frameworks. | Puma is the default server for Ruby on Rails and can also run Sinatra applications. |
| Monitoring | Optional statsD instrumentation over UDP reports request rates, request duration, worker counts, and log event rates. | Puma includes a built-in status and control app, and its docs describe using process monitors such as systemd or rc.d. |