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Design Benchmark / Anthropic

Opus 4.8

82/100

Median of three Rams engine reviews per brief, suite v1. Every artifact below is the model's verbatim one-shot output — open it, judge it yourself.

Analytics dashboard

runs 59 · 59 · 5959/100
  • Bar chart bars are keyboard-inaccessible and tooltip is mouse-onlycritical · seen 3/3
  • Numeric data columns lack tabular-nums, causing layout shift on updateserious · seen 3/3
  • Muted table header text at .74rem likely fails 4.5:1 on its backgroundserious · seen 2/3
  • Bar brightness transition has no prefers-reduced-motion guardserious · seen 2/3

View the generated page

Article page

runs 90 · 90 · 8890/100
  • Code caption and bio label text renders at 0.72rem: below legible floorserious · seen 3/3
  • Bio card background hardcodes #fff instead of the paper tokenserious · seen 3/3
  • Arrow glyphs in bio links render inconsistently across fontsserious · seen 2/3

View the generated page

Pricing page

runs 86 · 59 · 8886/100
  • Comparison table uses color-only checkmarks with no screen-reader textserious · seen 3/3
  • Toggle slider transition runs with no prefers-reduced-motion guardserious · seen 2/3
  • transition: all on .btn causes layout-shifting repaints on every stateserious · seen 2/3

View the generated page

SaaS landing page

runs 88 · 86 · 8686/100
  • All three feature card icons use the identical teal-on-teal chip treatmentserious · seen 2/3
  • Muted text contrast fails WCAG AA on the dark backgroundserious · seen 2/3
  • Card hover transform has no prefers-reduced-motion guardserious · seen 2/3
  • Sticky header glass surface has no reduced-transparency fallbackserious · seen 3/3

View the generated page

Settings page

runs 86 · 88 · 8888/100
  • "Revoke" buttons are ambiguous for screen readers and keyboard usersserious · seen 3/3
  • API key name input has no visible label, only a placeholderserious · seen 3/3
  • Save and Create Key buttons show no loading or disabled state during async workserious · seen 2/3
  • Delete account fires instantly through browser confirm, not a styled dialogserious · seen 2/3

View the generated page

Same engine, same briefs, same protocol for every model — the full method and the frozen prompt suite are on the benchmark index.