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<> :root { --site--max-width: min(var(--site--width)100vw); --container--main: calc(var(--site--max-width) - var(--site--margin) * 2); --container--full: calc(100% - 4rem); --container--small: calc(var(--column-width--plus-gutter) * (var(--site--column-count) - 4) - var(--site--gutter)); --site--gutter-total: calc(var(--site--gutter) * (var(--site--column-count) - 1)); --column-width--1: calc((var(--container--main) - var(--site--gutter-total)) / var(--site--column-count)); --column-width--plus-gutter: calc(var(--column-width--1) + var(--site--gutter)); --column-width--2: calc(var(--column-width--plus-gutter) * 2 - var(--site--gutter)); --column-width--3: calc(var(--column-width--plus-gutter) * 3 - var(--site--gutter)); --column-width--4: calc(var(--column-width--plus-gutter) * 4 - var(--site--gutter)); --column-width--5: calc(var(--column-width--plus-gutter) * 5 - var(--site--gutter)); --column-width--6: calc(var(--column-width--plus-gutter) * 6 - var(--site--gutter)); --column-width--7: calc(var(--column-width--plus-gutter) * 7 - var(--site--gutter)); 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--column-margin--10: calc(var(--column-width--plus-gutter) * 10); --column-margin--11: calc(var(--column-width--plus-gutter) * 11); --column-margin--12: calc(var(--column-width--plus-gutter) * 12); --breakout-start: [full-start] minmax(01fr) [content-start]; --breakout-end: [content-end] minmax(01fr) [full-end]; --grid-breakout-single: var(--breakout-start) minmax(0var(--container--main)) var(--breakout-end); --grid-breakout: var(--breakout-start) repeat(var(--site--column-count)minmax(0var(--column-width--1))) var(--breakout-end); --grid-main: repeat(var(--site--column-count)minmax(01fr)); --grid-1: repeat(1minmax(01fr)); --grid-2: repeat(2minmax(01fr)); --grid-3: repeat(3minmax(01fr)); --grid-4: repeat(4minmax(01fr)); --grid-5: repeat(5minmax(01fr)); --grid-6: repeat(6minmax(01fr)); --grid-7: repeat(7minmax(01fr)); --grid-8: repeat(8minmax(01fr)); --grid-9: repeat(9minmax(01fr)); --grid-10: repeat(10minmax(01fr)); --grid-11: repeat(11minmax(01fr)); --grid-12: repeat(12minmax(01fr)); --_typography---text-transform--none: none; --_typography---text-transform--uppercase: uppercase; --_typography---text-transform--captialize: capitalize; --_typography---text-transform--lowercase: lowercase; --align--flex-start: flex-start; --align--flex-center: center; --align--flex-end: flex-end; --align--text-left: left; --align--text-center: center; --align--text-right: right; } ::before::after { box-sizing: border-box; } html { background-color: var(--_theme---background); } button { background-color: unset; padding: unset; text-align: inherit; } button:not(:disabled) { cursor: pointer; } video { width: 100%; object-fit: cover; } video.wf-empty { padding: 0; } svg { max-width: 100%; } sectionheaderfooter { position: relative; } @media (prefers-color-scheme: light) { option { color: black; } } img::selection { background: transparent; } /* Typography */ body { text-transform: var(--_text----text-transform); font-smoothing: antialiased; -webkit-font-smoothing: antialiased; } /* Clear Defaults */ a:not([class]) { text-decoration: underline; 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} /* Global / Clickable Component */ .wf-design-mode .g_clickable_wrap { z-index: 0; } .g_clickable_wrap a[href="#"] { display: none; } .g_clickable_wrap a[href="#"] ~ button { display: block; }
<> /* Hide scrollbar for ChromeSafari and Opera */ html-scrollbar { display: none !important; } ::-moz-selection { /* Code for Firefox */ background: rgba(204,120,92,.5); } ::selection { background: rgba(204,120,92,.5); } h1 a { text-underline-offset: 0.08em; } /* Rich text styling */ .mcp_directory_link, .mcp_directory_link_icon, .u-rich-text a, .u-rich-text ul li a, .u-paragraph-m a { text-underline-offset: 0.2em !important; text-decoration-thickness: 0.06em; } .u-rich-text strong em.u-rich-text em strong.u-paragraph-m strong { line-height: 1; vertical-align: baseline; } /* Logo marquee */ .logo_marquee_logo_component { -webkit-animation: marquee 48s linear infinite; -moz-animation: marquee 48s linear infinite; -o-animation: marquee 48s linear infinite; } /* When hovering the marquee containerpause all logos */ .logo_marquee:hover .logo_marquee_logo_component { -webkit-animation-play-state: paused; -moz-animation-play-state: paused; -o-animation-play-state: paused; animation-play-state: paused; } @media (prefers-reduced-motion) { .logo_marquee_logo_component { -webkit-animation-play-state: paused; -moz-animation-play-state: paused; -o-animation-play-state: paused; animation-play-state: paused; } } @-webkit-keyframes marquee { 0% { transform: translateX(0%); } 100% { transform: translateX(-100%); } } @-moz-keyframes marquee { 0% { transform: translateX(0%); } 100% { transform: translateX(-100%); } } @-o-keyframes marquee { 0% { transform: translateX(0%); } 100% { transform: translateX(-100%); } } @keyframes marquee { 0% { transform: translateX(0%); } 100% { transform: translateX(-100%); } } /* Custom styling for slider dots */ .w-slider-dot { background-color: var(--swatch--cloud-light) !important; width: 12px !important; height: 12px !important; margin: 0 6px !important; border-radius: 50% !important; padding: 0 !important; } .w-slider-dot.w-active, .w-slider-dot:hover { background-color: var(--swatch--slate-light) !important; } /* Target slide wrappers that are hidden (non-active slides) */ .slider_slide[aria-hidden="true"] { opacity: 0.3 !important; transition: opacity 0.2s ease !important; } /* Target active slides (no aria-hidden or aria-hidden="false") */ .slider_slide:not([aria-hidden="true"]) { opacity: 1 !important; transition: opacity 0.2s ease !important; } /* Only apply hover effect when the card contains a link */ .article_card:has(a):hover .g_visual_img, .card:has(a):hover .g_visual_img { transform: scale(1.05); transition: transform 0.2s ease; } /* Make sure the image has a smooth transition by default */ .g_visual_img { transition: transform 0.2s ease; } /*--- TABS ---*/ /* Removes ::before and ::after from Tabs that create empty spaces when using Grid/Flex (with gaps) */ .tabs::before, .tabs::after { display: none; } /*--- TERMINAL ---*/ /* Cleanminimal scrollbar styling for terminal_content */ .terminal_content::-webkit-scrollbar { width: 6px; /* Thin vertical scrollbar */ height: 6px; /* Thin horizontal scrollbar */ } .terminal_content::-webkit-scrollbar-track { background: transparent; /* Invisible track */ margin: 4px; /* Creates space from the edge */ } .terminal_content::-webkit-scrollbar-thumb { background: rgba(2502492400.3); /* Subtle cream color */ border-radius: 3px; /* Slightly rounded edges */ border-right: 6px solid transparent; /* Increased space on the right edge */ border-left: 4px solid transparent; /* Space on the left edge */ background-clip: content-box; /* Ensures background only applies to visible area */ } .terminal_content::-webkit-scrollbar-thumb:hover { background: rgba(2502492400.5); /* Brighter on hover - works in Chrome */ background-clip: content-box; /* Maintain the same behavior on hover */ } .terminal_content::-webkit-scrollbar-thumb:horizontal { border-top: 4px solid transparent; border-bottom: 6px solid transparent; /* Increased space from the bottom */ border-left: 4px solid transparent; border-right: 4px solid transparent; background-clip: content-box; } .terminal_content::-webkit-scrollbar-corner { background: transparent; /* For the corner where both scrollbars meet */ } /* Firefox */ .terminal_content { scrollbar-width: thin; scrollbar-color: rgba(2502492400.3) transparent; } /* Remove padding on Result tab */ .terminal_content.result-view { padding: 0px; } /*--- MODAL ---*/ /* Modal mods */ dialog.modal_wrap[open] { animation: fadein 400ms ease-out forwards; } dialog.modal_wrap::backdrop { background: color-mix(in srgbvar(--swatch--slate-dark) 80%transparent); } @keyframes fadein{ 0%{ opacity:0; } 100%{ opacity:1; } } /*--- Hide element if child CMS collection is empty ---*/ [data-hide-if-empty-cms-child]:not(:has(.w-dyn-item)) { display: none; } /* In Designer only hacks html.wf-design-mode .g_clickable_wrap { pointer-events: none; } html.wf-design-mode a[href="#"], html.wf-design-mode a[href="#"] ~ button { outline: 3px solid red; } */
<>:root {--site--margin: clamp(2rem1.0816326530612246rem + 3.9183673469387754vw5rem);--size--2rem: clamp(1.75rem1.6734693877551021rem + 0.326530612244898vw2rem);--size--2-5rem: clamp(2rem1.846938775510204rem + 0.653061224489796vw2.5rem);--size--3rem: clamp(2.25rem2.020408163265306rem + 0.9795918367346939vw3rem);--size--3-5rem: clamp(2.375rem2.0306122448979593rem + 1.4693877551020407vw3.5rem);--size--4rem: clamp(2.5rem2.0408163265306123rem + 1.9591836734693877vw4rem);--size--4-5rem: clamp(2.75rem2.2142857142857144rem + 2.2857142857142856vw4.5rem);--size--5rem: clamp(3rem2.3877551020408165rem + 2.612244897959184vw5rem);--size--5-5rem: clamp(3.25rem2.561224489795918rem + 2.9387755102040813vw5.5rem);--size--6rem: clamp(3.5rem2.7346938775510203rem + 3.2653061224489797vw6rem);--size--6-5rem: clamp(3.75rem2.9081632653061225rem + 3.5918367346938775vw6.5rem);--size--7rem: clamp(4rem3.0816326530612246rem + 3.9183673469387754vw7rem);--size--7-5rem: clamp(4.25rem3.2551020408163267rem + 4.244897959183674vw7.5rem);--size--8rem: clamp(4.5rem3.4285714285714284rem + 4.571428571428571vw8rem);--size--8-5rem: clamp(4.75rem3.6020408163265305rem + 4.8979591836734695vw8.5rem);--size--9rem: clamp(5rem3.7755102040816326rem + 5.224489795918368vw9rem);--size--9-5rem: clamp(5.25rem3.9489795918367347rem + 5.551020408163265vw9.5rem);--size--10rem: clamp(5.5rem4.122448979591836rem + 5.877551020408163vw10rem);--size--11rem: clamp(5.75rem4.142857142857143rem + 6.857142857142858vw11rem);--size--12rem: clamp(6rem4.163265306122449rem + 7.836734693877551vw12rem);--size--13rem: clamp(6.5rem4.510204081632653rem + 8.489795918367347vw13rem);--size--14rem: clamp(7rem4.857142857142857rem + 9.142857142857142vw14rem);--size--15rem: clamp(7.5rem5.204081632653061rem + 9.795918367346939vw15rem);---font-size--display-xs: clamp(1.125rem1.086734693877551rem + 0.163265306122449vw1.25rem);---font-size--display-s: clamp(1.25rem1.1734693877551021rem + 0.326530612244898vw1.5rem);---font-size--display-m: clamp(1.75rem1.6734693877551021rem + 0.326530612244898vw2rem);---font-size--display-l: clamp(2rem1.6938775510204083rem + 1.306122448979592vw3rem);---font-size--display-xl: clamp(2.5rem2.0408163265306123rem + 1.9591836734693877vw4rem);---font-size--display-xxl: clamp(3rem2.3877551020408165rem + 2.612244897959184vw5rem);---font-size--paragraph-s: clamp(1rem0.9617346938775511rem + 0.163265306122449vw1.125rem);---font-size--paragraph-m: clamp(1.125rem1.086734693877551rem + 0.163265306122449vw1.25rem);---font-size--paragraph-l: clamp(1.375rem1.336734693877551rem + 0.163265306122449vw1.5rem);---font-size--detail-xs: clamp(0.6875rem0.6683673469387755rem + 0.0816326530612245vw0.75rem);---font-size--detail-xs: clamp(1.375rem1.336734693877551rem + 0.163265306122449vw1.5rem);---font-size--monospace: clamp(0.875rem0.5306122448979592rem + 1.4693877551020407vw2rem);}

AI research and products that put safety at the frontier

AI will have a vast impact on the world. Anthropic is a public benefit corporation dedicated to securing its benefits and mitigating its risks.

<> /* ── GSAP animations initial state ── */ html:not(.wf-design-mode) [data-scroll="title"], html:not(.wf-design-mode) [data-scroll="subtitle"], html:not(.wf-design-mode) [data-scroll="button"] { opacity: 0; transform: translateY(10%); } html:not(.wf-design-mode) [data-scroll="embed"] { opacity: 0; } /* ── Viewport ── */ #viewport { width: 100%; height: 110%; position: relative; display: flex; align-items: center; justify-content: center; background: #e8e6dc; overflow: hidden; } /* ── Globe SVG ── */ .globe-svg { width: 100%; height: 100%; cursor: default; } .globe-svg.dragging { cursor: grabbing; } .globe-deg-label { font-family: var(--serif); font-size: 11px; font-weight: 400; fill: rgba(2020190.5); text-anchor: middle; dominant-baseline: middle; font-variant-numeric: old-nums; user-select: none; } /* ── Intro frame ── */ #intro-frame { position: absolute; top: 60px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 4px; pointer-events: none; z-index: 10; } #globe-title { font-family: var(--serif); font-size: 61px; line-height: 1.2; font-weight: 400; color: #141413; text-align: center; white-space: nowrap; user-select: none; } #globe-subtext { width: 412px; max-width: 412px; font-family: var(--sans); font-size: 13px; line-height: 1.5; font-weight: 400; color: #30302e; text-align: left; text-wrap: pretty; user-select: none; } #globe-subtext a { pointer-events: auto; } /* ── Quote overlay ── */ #quote-overlay { position: absolute; top: 65%; left: 50%; transform: translateX(-50%); width: 520px; z-index: 8; background: radial-gradient(ellipse at centerrgba(2322302200.95) 0%rgba(2322302200.95) 50%rgba(2322302200) 100%); padding: 24px 28px; border-radius: 4px; } #step-dots { display: flex; gap: 8px; margin-bottom: 12px; } .step-dot { width: 7px; height: 7px; border-radius: 50%; border: 1px solid rgba(2020190.3); background: transparent; cursor: pointer; transition: background 0.3s; } .step-dot:hover { background: rgba(2020190.15); } .step-dot.active { background: rgba(2020190.3); } #country-label { font-family: var(--sans); font-size: 13px; font-weight: 700; letter-spacing: 0.13px; text-transform: uppercase; color: #141413; margin-bottom: 6px; line-height: 1; text-align: left; } .hl-yellow { display: inline; padding: 0.02em 0.22em 0.08em; border-radius: 4px; color: #141413; background: color-mix(in srgb#eda100 60%transparent); font-family: var(--_typography---font--display-sans); } #quote-text { font-family: var(--serif); font-size: 26px; line-height: 1.4; font-weight: 400; color: #141413; min-height: 3em; text-align: left; text-indent: -0.5em; padding-left: 0.5em; } /* ── Typewriter cursor ── */ .sf-tw-cursor { display: inline-block; width: 1.5px; height: 0.85em; background: currentcolor; margin-left: 1px; vertical-align: -0.1em; } .sf-tw-cursor.sf-blinking { animation: sf-tw-blink 0.9s step-end infinite; } @keyframes sf-tw-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } } /* ── Dot legend ── */ #dot-legend { position: absolute; bottom: 28px; right: 28px; font-family: var(--sans); font-size: 11px; line-height: 1.4; color: rgba(2020190.45); pointer-events: none; z-index: 10; text-align: right; } /* ── Skip button ── */ #skip-btn { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); font-family: var(--sans); font-size: 13px; font-weight: 400; color: #30302e; background: rgba(2452442370.4); backdrop-filter: blur(5px); border: 1px solid rgba(1941921820.3); border-radius: 4px; padding: 8px 16px; cursor: pointer; z-index: 20; transition: background 0.2s; } #skip-btn:hover { background: rgba(2452442370.8); } /* ── Mobile ── */ @media (max-width: 600px) { #viewport { top: -28%; left: -35%; width: 170%; height: 170%; } #globe-title { font-size: 32px; white-space: normal; } #intro-frame { top: 32px; width: calc(100% - 32px); } #globe-subtext { font-size: 10px; width: 100%; max-width: 100%; } #quote-overlay { width: 280px; padding: 16px 20px; top: 60%; } #quote-text { font-size: 14px; min-height: 2.5em; } #dot-legend { bottom: 72px; right: 16px; font-size: 10px; max-width: 120px; } #country-label { font-size: 11px; } .hl-yellow { border-radius: 2px; } }

What 81,000 people want from AI

The largest study ever done on AI and how it's shaping lives around the world.

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Latest releases

Claude Opus 4.6

Introducing the world’s most powerful model for codingagentsand professional work.

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  • Date
    February 52026
  • Category
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Claude is a space to think

No ads. No sponsored content. Just genuinely helpful conversations.

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    February 42026
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Claude on Mars

The first AI-assisted drive on another planet. Claude helped NASA’s Perseverance rover travel four hundred meters on Mars.

  • Date
    January 302026
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At Anthropicwe build AI to serve humanity’s long-term well-being.

  • Core views on AI safety

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  • Anthropic’s Responsible Scaling Policy

    Alignment Science
  • Anthropic Academy: Build and Learn with Claude

    Education
  • Anthropic’s Economic Index

    Economic Research
  • Claude’s Constitution

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