# Fonts Like IBM Plex Sans JP

12 open fonts whose letters are closest to IBM Plex Sans JP, ranked by a glyph comparison. All free for commercial use.

## Quick Answer

The closest open font to IBM Plex Sans JP is IBM Plex Sans Condensed (similarity 86), then Gothic A1 and iA Writer Quattro. IBM Plex Sans Condensed is released under the SIL Open Font License 1.1 and is free for commercial use.

## Ranked Open Lookalikes (12 Fonts)

| Rank | Font | Similarity Score | Licence | Details |
| :--- | :--- | :--- | :--- | :--- |
| #1 | **IBM Plex Sans Condensed** | 86 / 100 | OFL-1.1 | [/fonts/ibm-plex-sans-condensed/](/fonts/ibm-plex-sans-condensed.md) |
| #2 | **Gothic A1** | 84 / 100 | OFL-1.1 | [/fonts/gothic-a1/](/fonts/gothic-a1.md) |
| #3 | **iA Writer Quattro** | 84 / 100 | OFL-1.1 | [/fonts/ia-writer-quattro/](/fonts/ia-writer-quattro.md) |
| #4 | **Clear Sans** | 83 / 100 | Apache-2.0 | [/fonts/clear-sans/](/fonts/clear-sans.md) |
| #5 | **Pretendard** | 82 / 100 | OFL-1.1 | [/fonts/pretendard/](/fonts/pretendard.md) |
| #6 | **Roboto** | 82 / 100 | OFL-1.1 | [/fonts/roboto/](/fonts/roboto.md) |
| #7 | **Varta** | 82 / 100 | OFL-1.1 | [/fonts/varta/](/fonts/varta.md) |
| #8 | **Adwaita Sans** | 82 / 100 | OFL-1.1 | [/fonts/adwaita-sans/](/fonts/adwaita-sans.md) |
| #9 | **Inter** | 82 / 100 | OFL-1.1 | [/fonts/inter/](/fonts/inter.md) |
| #10 | **Noto Sans JP** | 81 / 100 | OFL-1.1 | [/fonts/noto-sans-jp/](/fonts/noto-sans-jp.md) |
| #11 | **Golos Text** | 81 / 100 | OFL-1.1 | [/fonts/golos-text/](/fonts/golos-text.md) |
| #12 | **Radio Canada** | 81 / 100 | OFL-1.1 | [/fonts/radio-canada/](/fonts/radio-canada.md) |

## Other Scripts With Similar Latin Letters

- **Asta Sans** (Kore): Similarity 82, licence OFL-1.1 - [/fonts/asta-sans/](/fonts/asta-sans.md)
- **Narnoor** (Gong): Similarity 82, licence OFL-1.1 - [/fonts/narnoor/](/fonts/narnoor.md)

## Scoring Method

62 letters and digits (A-Z a-z 0-9) rendered at 160px cap height on a 32x32 grid with 3px gaussian blur, combined with edge-orientation texture (15% weight). Scores are normalized so that 0 represents an average pair of fonts across the 1571 compared fonts, and 100 represents identical letter shapes. Computed on 2026-10-22 using glyph-shape + edge-texture v2.

## Machine API

JSON representation available at [/api/fonts-like/ibm-plex-sans-jp.json](/api/fonts-like/ibm-plex-sans-jp.json).