# Fonts Like Oi

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

## Quick Answer

The closest open font to Oi is Climate Crisis (similarity 64), then Chango and Sigmar One. Climate Crisis is released under the SIL Open Font License 1.1 and is free for commercial use.

## Ranked Open Lookalikes (12 Fonts)

> Note: Scores under 50 indicate no open font is very close; these share some traits.

| Rank | Font | Similarity Score | Licence | Details |
| :--- | :--- | :--- | :--- | :--- |
| #1 | **Climate Crisis** | 64 / 100 | OFL-1.1 | [/fonts/climate-crisis/](/fonts/climate-crisis.md) |
| #2 | **Chango** | 63 / 100 | OFL-1.1 | [/fonts/chango/](/fonts/chango.md) |
| #3 | **Sigmar One** | 62 / 100 | OFL-1.1 | [/fonts/sigmar-one/](/fonts/sigmar-one.md) |
| #4 | **Seymour One** | 58 / 100 | OFL-1.1 | [/fonts/seymour-one/](/fonts/seymour-one.md) |
| #5 | **Erica One** | 58 / 100 | OFL-1.1 | [/fonts/erica-one/](/fonts/erica-one.md) |
| #6 | **Alien Block** | 57 / 100 | OFL-1.1 | [/fonts/alien-block/](/fonts/alien-block.md) |
| #7 | **Holtwood One SC** | 56 / 100 | OFL-1.1 | [/fonts/holtwood-one-sc/](/fonts/holtwood-one-sc.md) |
| #8 | **Ultra** | 55 / 100 | Apache-2.0 | [/fonts/ultra/](/fonts/ultra.md) |
| #9 | **Titan One** | 52 / 100 | OFL-1.1 | [/fonts/titan-one/](/fonts/titan-one.md) |
| #10 | **Arbutus** | 50 / 100 | OFL-1.1 | [/fonts/arbutus/](/fonts/arbutus.md) |
| #11 | **Bowlby One SC** | 49 / 100 | OFL-1.1 | [/fonts/bowlby-one-sc/](/fonts/bowlby-one-sc.md) |
| #12 | **Gravitas One** | 48 / 100 | OFL-1.1 | [/fonts/gravitas-one/](/fonts/gravitas-one.md) |

## Other Scripts With Similar Latin Letters

- **Badeen Display** (Arab): Similarity 56, licence OFL-1.1 - [/fonts/badeen-display/](/fonts/badeen-display.md)
- **Modak** (Deva): Similarity 53, licence OFL-1.1 - [/fonts/modak/](/fonts/modak.md)
- **Gasoek One** (Kore): Similarity 50, licence OFL-1.1 - [/fonts/gasoek-one/](/fonts/gasoek-one.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/oi.json](/api/fonts-like/oi.json).