# Fonts Like Commit Mono

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

## Quick Answer

The closest open font to Commit Mono is Fragment Mono (similarity 85), then Fira Code and Noto Mono. Fragment 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 | **Fragment Mono** | 85 / 100 | OFL-1.1 | [/fonts/fragment-mono/](/fonts/fragment-mono.md) |
| #2 | **Fira Code** | 83 / 100 | OFL-1.1 | [/fonts/fira-code/](/fonts/fira-code.md) |
| #3 | **Noto Mono** | 81 / 100 | OFL-1.1 | [/fonts/noto-mono/](/fonts/noto-mono.md) |
| #4 | **Geist Mono** | 81 / 100 | OFL-1.1 | [/fonts/geist-mono/](/fonts/geist-mono.md) |
| #5 | **Cousine** | 81 / 100 | OFL-1.1 | [/fonts/cousine/](/fonts/cousine.md) |
| #6 | **Spline Sans Mono** | 81 / 100 | OFL-1.1 | [/fonts/spline-sans-mono/](/fonts/spline-sans-mono.md) |
| #7 | **Chivo Mono** | 80 / 100 | OFL-1.1 | [/fonts/chivo-mono/](/fonts/chivo-mono.md) |
| #8 | **Source Code Pro** | 80 / 100 | OFL-1.1 | [/fonts/source-code-pro/](/fonts/source-code-pro.md) |
| #9 | **IBM Plex Mono** | 80 / 100 | OFL-1.1 | [/fonts/ibm-plex-mono/](/fonts/ibm-plex-mono.md) |
| #10 | **DejaVu Mono** | 79 / 100 | OFL-1.1 | [/fonts/dejavu-mono/](/fonts/dejavu-mono.md) |
| #11 | **iA Writer Mono** | 79 / 100 | OFL-1.1 | [/fonts/ia-writer-mono/](/fonts/ia-writer-mono.md) |
| #12 | **Noto Sans Mono** | 78 / 100 | OFL-1.1 | [/fonts/noto-sans-mono/](/fonts/noto-sans-mono.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/commit-mono.json](/api/fonts-like/commit-mono.json).