# Katagami Serif vs Source Serif 4

Source Serif 4 and Katagami Serif are both free serifs under the SIL Open Font License.

## Comparison table

|  | Katagami Serif | Source Serif 4 |
|---|---|---|
| Designer | Kevin Liu | Frank Grießhammer |
| Foundry or publisher | Self-published by Kevin Liu | Adobe |
| First released | 2026 | 2014 |
| License | SIL Open Font License 1.1 | SIL Open Font License 1.1 |
| Free for commercial use | Yes | Yes |
| Weights | 100 to 900 | 200 to 900 |
| Italics | Not yet | Yes |
| Variable axes | wght | wght 200 to 900, opsz 8 to 60 |
| Scripts | Latin, Greek, Cyrillic and 19 more scripts, 6,580 characters, plus Chinese, Japanese and Korean companions | Latin, Greek, Cyrillic |
| Notable features | Rectangular serifs, small capitals, tabular figures, fractions | Five optical sizes, small caps, made to pair with Source Sans |

## Download and web setup

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Download it from the [download page](https://katagami.kevinliu.studio/download), or link `katagami.css` and set the family. [Font-ify](https://katagami.kevinliu.studio/convert) shows any website in Katagami Serif.

```html
<link rel="stylesheet" href="https://katagami.kevinliu.studio/fonts/katagami.css">
```

## Questions

**Is Katagami Serif free for commercial use?**

Katagami Serif is free for commercial use. It is released under the SIL Open Font License 1.1, which allows use in commercial and non-commercial products.

**Is Source Serif 4 free for commercial use?**

Source Serif 4 is free for commercial use under the SIL Open Font License 1.1. Check the license at https://github.com/adobe-fonts/source-serif before you ship it.

**Sources**

- https://katagami.kevinliu.studio/katagami-serif
- https://github.com/adobe-fonts/source-serif
- https://raw.githubusercontent.com/google/fonts/main/ofl/sourceserif4/METADATA.pb

The sources were checked on 2026-10-16.

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Source: https://katagami.kevinliu.studio/compare/katagami-serif-vs-source-serif