luma.ai draws its headings in Space Grotesk and its body text in Open Runde. It uses 2 fonts in all. We measured it on November 4, 2026.
The fonts luma.ai draws
| Font | Used for | Share of its custom-font text | Licence | How common |
|---|---|---|---|---|
| Open Runde | Body text | 91.6% | Not verified as obtainable | – |
| Space Grotesk | Headings | 8.4% | Open source | 5 of 845 sites (rank =24) |
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 Runde: we could not verify that this typeface can be licensed, so we neither recommend it nor link a source.
- Space Grotesk is open source and free to use, including commercially. Get it from Google Fonts.
luma.ai among ai sites
luma.ai is one of the 62 ai sites we measured. Across them, Inter is the most used font you can get, on 10 of the 62 (16%). All the fonts ai sites use.
What pairing does luma.ai use?
Space Grotesk for headings with Open Runde for body text does not repeat on another analyzed site, so there is no shared pairing to show. Pairings that do repeat.
Other ai sites we measured
- ai21.com Aeonik, Söhne, Inter
- anthropic.com Anthropic Sans Text, Anthropic Serif Text
- anyscale.com Geist Mono, Geist
- assemblyai.com UN 11 ST, Oceanic Text
- bolt.new Schibsted Grotesk
- character.ai Open Sans, At Hauss
See the fonts on all 845 sites.
FAQ
What font does luma.ai use?
luma.ai draws its headings in Space Grotesk and its body text in Open Runde. It uses 2 fonts in all: Open Runde, Space Grotesk. We measured it on November 4, 2026.
Is Space Grotesk free?
Yes. Space Grotesk is open source and free for commercial use, according to Google Fonts.
What font pairing does luma.ai use?
Space Grotesk for headings and Open Runde for body text. It does not repeat on another analyzed site.
Can I use the same fonts as luma.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 luma.ai. Each font's licence is on this page, from its source.
How do you know which font luma.ai uses?
We opened luma.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.