OpenAI vs Claude.ai
55 token-level differences between these two design systems.
Background
#ffffff → #f8f8f6 Text
#000000 → #121212 Brand
#000000 → #cd6f47 Border
rgba(0,0,0,0.1) → rgba(18,18,18,0.12) Display font
OpenAI Sans → Anthropic Serif Body size
16px → 17px colors 50 changed
~
bg #ffffff → #f8f8f6 ~
bg-soft #f1f1f1 → #faf9f5 ~
surface #fafafa → #ffffff ~
text #000000 → #121212 ~
text-muted #5d5d5d → #666660 ~
text-subtle #8e8e8e → #8e8e85 ~
text-faint #b4b4b4 → #b4b4a8 ~
text-on-dark #ededed → #f3f0ea ~
brand #000000 → #cd6f47 ~
link #000000 → #121212 ~
link-hover #5d5d5d → #cd6f47 ~
link-visited #000000 → #7d3c1f ~
border rgba(0,0,0,0.1) → rgba(18,18,18,0.12) ~
border-soft rgba(0,0,0,0.08) → rgba(18,18,18,0.06) ~
border-strong rgba(0,0,0,0.16) → rgba(18,18,18,0.18) ~
scrim rgba(0,0,0,0.5) → rgba(18,18,18,0.45) ~
shadow-card rgba(0,0,0,0.06) → rgba(18,18,18,0.06) ~
shadow-elev rgba(0,0,0,0.10) → rgba(18,18,18,0.10) ~
shadow-modal rgba(0,0,0,0.20) → rgba(18,18,18,0.18) ~
success #10a37f → #5a8c5a ~
warning #d97706 → #b58a3c ~
warning-soft #fdf3e7 → #fbf3df ~
danger #cc2525 → #b54a3c ~
danger-soft #fae5e5 → #fbe8e3 ~
info #3a3a3a → #5a708c +
bg-deep #f0efea +
surface-soft #fbfaf6 +
surface-warm #f3f0ea +
text-on-cta #f8f8f6 +
brand-soft #f3e7df +
brand-paler #fdf0e8 +
brand-strong #a85530 +
brand-deep #7d3c1f +
cta-bg #121212 +
cta-text #f8f8f6 +
cta-hover #2a2a2a +
cta-active #3d3d3d +
shadow-warm rgba(18,18,18,0.04) +
success-soft #e6efe2 +
highlight #fbe8d6 −
bg-section #f7f7f7 −
surface-card #ffffff −
surface-hover rgba(0,0,0,0.04) −
surface-press rgba(0,0,0,0.08) −
brand-hover #1a1a1a −
brand-active #2c2c2c −
brand-on-dark #ffffff −
accent #10a37f −
accent-hover #0d8a6b −
accent-soft #d6f3e8 typography 5 changed
~
display {"family":"OpenAI Sans","size":48} → {"family":"Anthropic Serif","size":56} ~
h1 {"family":"OpenAI Sans","size":40} → {"family":"Anthropic Serif","size":48} ~
h2 {"family":"OpenAI Sans","size":32} → {"family":"Anthropic Serif","size":40} ~
body {"family":"OpenAI Sans","size":16} → {"family":"Anthropic Sans","size":17} ~
label {"family":"OpenAI Sans Mono","size":12} → {"family":"Anthropic Mono","size":12} radius identical
No differences.
spacing identical
No differences.