The typeface on anthropic.com is Anthropic Serif, Anthropic Sans and Anthropic Mono, loaded across 8 @font-face declarations. Every font family, weight and source on this page is read straight from the live CSS — no image guessing, no machine learning, just the rules the browser used.
The quick brown fox jumps over the lazy dog
font-family: 'Anthropic Serif', Georgia, 'Times New Roman', serif;
The quick brown fox jumps over the lazy dog
font-family: 'Anthropic Sans', Georgia, 'Times New Roman', serif;
The quick brown fox jumps over the lazy dog
font-family: 'Anthropic Mono', ui-monospace, SFMono-Regular, monospace;
The quick brown fox jumps over the lazy dog
font-family: 'Jetbrains Mono', ui-monospace, SFMono-Regular, monospace;
The quick brown fox jumps over the lazy dog
font-family: webflow-icons!important, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
The quick brown fox jumps over the lazy dog
font-family: Arial, Georgia, 'Times New Roman', serif;
The quick brown fox jumps over the lazy dog
font-family: 'Helvetica Neue', Georgia, 'Times New Roman', serif;
Get Font Info inspected the homepage of anthropic.com and parsed 1 stylesheet totalling 274.6 KB. Inside those stylesheets we found 8 @font-face declarations — the rules a browser uses to download and register a custom typeface. The primary typefaces are served from mixed, and 92 CSS rules reference them across the page.
Open the live inspector and hover any text on anthropic.com to see the exact font, weight, size and line-height for that element.
Open live font inspector for anthropic.comanthropic.com uses Anthropic Serif, Anthropic Sans and Anthropic Mono as its primary typefaces. These fonts are loaded from a self-hosted webfont, an unknown source and the operating system and applied across 92 CSS rules on the homepage.
anthropic.com loads its fonts from a self-hosted webfont, an unknown source and the operating system. Get Font Info detected 8 @font-face declarations across 1 stylesheet on the live page.
anthropic.com loads Anthropic Serif in 2 weights: 300 800, 400. If you want to match the look, request the same weights from your font host so you only ship what's actually used.
Yes — once you know the font name, you can load it from the same source. If Anthropic Serif isn't a fit (licensing, weight selection, look-and-feel), close alternatives include Inter, Manrope and DM Sans. Use the CSS snippet on this page as a starting point.
These fonts are self-hosted webfonts. They may be licensed commercially from a type foundry, custom-made for the brand, or freely available — you would need to identify the typeface and check its license at the foundry.
Compare the typography on anthropic.com with how other well-known sites load and use their fonts.
This page lists the fonts loaded by the homepage of anthropic.com. Get Font Info reads the live CSS — every @font-face rule, every font-family declaration — so you see the exact fonts the browser used, not an image-based guess.
More guides: find the font on any website, identify the typeface on a webpage, check what font a website is using, or URL font checker.