openai.com
OpenAI | Research & Deployment
- Body text
- OpenAI Sans
- Headings
- OpenAI Sans
Last checked Sep 23, 2026. Run this site and want it removed? Request an opt-out.
All text on the page
- OpenAI Sans100%
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- Served by
- Self-hosted
- Font files
- 167 KB
- Preloaded fonts
- 0
- Families declared
- 17 (16 never used)
- Platform
- Next.js
- Font hosts
- cdn.openai.com
History
Each row is a stretch of time where the fonts stayed the same. Rows marked Web archive are estimates from saved copies of the page and less reliable than our own crawl.
- Sep 23, 2026Our crawlOpenAI Sans
- May 15, 2026Web archiveOpenAI Sans
- Aug 15, 2025 to Feb 15, 2026Web archivesystem-ui
- May 15, 2025Web archiveOpenAI Sans
- Aug 15, 2024 to Feb 15, 2025Web archiveSöhne
- Nov 15, 2023 to May 15, 2024Web archiveHiragino Sans
- May 15, 2023 to Aug 15, 2023Web archiveSoehne
- Aug 15, 2021 to Feb 15, 2023Web archiveCharter
- Feb 15, 2021 to May 15, 2021Web archiveCharterheadings Colfax AI
Every font face the page declares (17)
| Family as declared | Weights | Variable | Used |
|---|---|---|---|
| OpenAI Sans | 300, 400, 500, 600, 700 | No | Yes |
| OpenAI Sans Variable Scripts | 300 700 | Yes | No |
| LF Serif | 400 700 | Yes | No |
| Build Week Digital | 700 | No | No |
| KaTeX_AMS | 400 | No | No |
| KaTeX_Caligraphic | 700, 400 | No | No |
| KaTeX_Fraktur | 700, 400 | No | No |
| KaTeX_Main | 700, 400 | No | No |
| KaTeX_Math | 700, 400 | No | No |
| KaTeX_SansSerif | 700, 400 | No | No |
| KaTeX_Script | 400 | No | No |
| KaTeX_Size1 | 400 | No | No |
| KaTeX_Size2 | 400 | No | No |
| KaTeX_Size3 | 400 | No | No |
| KaTeX_Size4 | 400 | No | No |
| KaTeX_Typewriter | 400 | No | No |
| OpenAI Sans Mini Clients | 400, 500, 600 | No | No |