ChatGPT Anthropic Typography

Anthropic-inspired fonts, colors, and Claude-style thinking states for ChatGPT and Gemini.

Give ChatGPT and Gemini a calmer, editorial reading experience with two carefully tuned typography modes and an optional warm paper-inspired palette. Features: • Serif mode with a strong Chinese serif fallback and editorial Latin typography • Sans mode with system CJK text and an Anthropic-inspired Latin stack • Anthropic Mono support for code blocks and inline code • Preserves KaTeX math rendering • Optional warm paper, clay, and ink color palette • Optional Claude Code spinner words, localized for English and Chinese interfaces • Optional Claude-style · ✢ * ✶ thinking animation with reduced-motion support • One random thinking word per response session—no continuous word switching • Supports ChatGPT and Gemini • Settings sync through Chrome and apply immediately • No analytics, network requests, remote code, or chat-content collection Optional commercial font files are not included. When matching local fonts are unavailable, the extension uses standard system fallbacks. This is an independent, unofficial extension and is not affiliated with or endorsed by OpenAI, Anthropic, or Google.