# Fonts Like Open Sans

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

## Quick Answer

The closest open font to Open Sans is Noto Sans (similarity 95), then Mukta and Lunasima. Noto Sans 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 | **Noto Sans** | 95 / 100 | OFL-1.1 | [/fonts/noto-sans/](/fonts/noto-sans.md) |
| #2 | **Mukta** | 87 / 100 | OFL-1.1 | [/fonts/mukta/](/fonts/mukta.md) |
| #3 | **Lunasima** | 87 / 100 | OFL-1.1 | [/fonts/lunasima/](/fonts/lunasima.md) |
| #4 | **Hind Siliguri** | 86 / 100 | OFL-1.1 | [/fonts/hind-siliguri/](/fonts/hind-siliguri.md) |
| #5 | **Oxygen** | 86 / 100 | OFL-1.1 | [/fonts/oxygen/](/fonts/oxygen.md) |
| #6 | **Nanum Gothic** | 83 / 100 | OFL-1.1 | [/fonts/nanum-gothic/](/fonts/nanum-gothic.md) |
| #7 | **Nebula Sans** | 83 / 100 | OFL-1.1 | [/fonts/nebula-sans/](/fonts/nebula-sans.md) |
| #8 | **Telex** | 83 / 100 | OFL-1.1 | [/fonts/telex/](/fonts/telex.md) |
| #9 | **DejaVu Sans** | 83 / 100 | OFL-1.1 | [/fonts/dejavu-sans/](/fonts/dejavu-sans.md) |
| #10 | **Voces** | 82 / 100 | OFL-1.1 | [/fonts/voces/](/fonts/voces.md) |
| #11 | **Duru Sans** | 82 / 100 | OFL-1.1 | [/fonts/duru-sans/](/fonts/duru-sans.md) |
| #12 | **AR One Sans** | 81 / 100 | OFL-1.1 | [/fonts/ar-one-sans/](/fonts/ar-one-sans.md) |

## Other Scripts With Similar Latin Letters

- **Khula** (Deva): Similarity 99, licence OFL-1.1 - [/fonts/khula/](/fonts/khula.md)
- **Noto Sans Hebrew** (Hebr): Similarity 95, licence OFL-1.1 - [/fonts/noto-sans-hebrew/](/fonts/noto-sans-hebrew.md)
- **Noto Sans Kannada** (Knda): Similarity 94, licence OFL-1.1 - [/fonts/noto-sans-kannada/](/fonts/noto-sans-kannada.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/open-sans.json](/api/fonts-like/open-sans.json).