character.ai draws its headings and body text in Open Sans. It uses 2 fonts in all. We measured it on October 21, 2026.
The fonts character.ai draws
| Font | Used for | Share of its custom-font text | Licence | How common |
|---|---|---|---|---|
| Open Sans | Headings, Body text | 76.2% | Open source | 11 of 407 sites (rank 3) |
| At Hauss | Smaller text | 23.8% | Not verified as obtainable | – |
Share is how much of the page’s custom-font text each font draws. System fonts and icon fonts are never counted. Each site was opened twice in a real browser and Chrome was asked which font file drew each piece of text. We count a font for a site only if both runs saw it and it drew at least 2% of the site’s custom-font text. The full method.
Can I use the same fonts?
- Open Sans is open source and free to use, including commercially. Get it from Google Fonts.
- At Hauss: we could not verify that this typeface can be licensed, so we neither recommend it nor link a source.
character.ai among ai sites
character.ai is one of the 31 ai sites we measured. Across them, Inter is the most used font you can get, on 3 of the 31 (10%). All the fonts ai sites use.
What pairing does character.ai use?
character.ai uses one family, Open Sans, for both headings and body text. So do 280 of the 407 sites we analyzed (69%). Pairings of two different fonts.
Other ai sites we measured
- anthropic.com Anthropic Sans Text, Anthropic Serif Text
- bolt.new Schibsted Grotesk
- cursor.com Cursor Gothic, Berkeley Mono, EB Garamond
- deepmind.google Google Sans Flex
- descript.com Booton
- elevenlabs.io Inter, Geist Mono, KMR Waldenburg Buch
See the fonts on all 407 sites.
FAQ
What font does character.ai use?
character.ai draws its headings and body text in Open Sans. It uses 2 fonts in all: Open Sans, At Hauss. We measured it on October 21, 2026.
Is Open Sans free?
Yes. Open Sans is open source and free for commercial use, according to Google Fonts.
What font pairing does character.ai use?
One family, Open Sans, for both headings and body text.
Can I use the same fonts as character.ai on my own site?
Only if the licence allows it. Free and open-source fonts can be used freely. Commercial fonts need your own licence, even though you can see the file on character.ai. Each font's licence is on this page, from its source.
How do you know which font character.ai uses?
We opened character.ai in a real browser and asked Chrome which font file drew each piece of text, twice in separate sessions. A font counts only if both runs saw it and it drew at least 2% of the site's custom-font text.
Can I check a different website?
Yes. Paste its address into the free font finder.