# Fonts Like JetBrains Mono

12 open fonts whose letters are closest to JetBrains Mono, ranked by a glyph comparison. All free for commercial use.

## Quick Answer

The closest open font to JetBrains Mono is Pitagon Sans Mono (similarity 97), then Adwaita Mono and Datatype. Pitagon Sans Mono 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 | **Pitagon Sans Mono** | 97 / 100 | OFL-1.1 | [/fonts/pitagon-sans-mono/](/fonts/pitagon-sans-mono.md) |
| #2 | **Adwaita Mono** | 80 / 100 | OFL-1.1 | [/fonts/adwaita-mono/](/fonts/adwaita-mono.md) |
| #3 | **Datatype** | 78 / 100 | OFL-1.1 | [/fonts/datatype/](/fonts/datatype.md) |
| #4 | **DejaVu Mono** | 77 / 100 | OFL-1.1 | [/fonts/dejavu-mono/](/fonts/dejavu-mono.md) |
| #5 | **Roboto Mono** | 77 / 100 | OFL-1.1 | [/fonts/roboto-mono/](/fonts/roboto-mono.md) |
| #6 | **Oxygen Mono** | 77 / 100 | OFL-1.1 | [/fonts/oxygen-mono/](/fonts/oxygen-mono.md) |
| #7 | **Spline Sans Mono** | 76 / 100 | OFL-1.1 | [/fonts/spline-sans-mono/](/fonts/spline-sans-mono.md) |
| #8 | **Martian Mono** | 76 / 100 | OFL-1.1 | [/fonts/martian-mono/](/fonts/martian-mono.md) |
| #9 | **iA Writer Mono** | 76 / 100 | OFL-1.1 | [/fonts/ia-writer-mono/](/fonts/ia-writer-mono.md) |
| #10 | **Reddit Mono** | 76 / 100 | OFL-1.1 | [/fonts/reddit-mono/](/fonts/reddit-mono.md) |
| #11 | **IBM Plex Mono** | 76 / 100 | OFL-1.1 | [/fonts/ibm-plex-mono/](/fonts/ibm-plex-mono.md) |
| #12 | **Google Sans Code** | 75 / 100 | OFL-1.1 | [/fonts/google-sans-code/](/fonts/google-sans-code.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/jetbrains-mono.json](/api/fonts-like/jetbrains-mono.json).