Anthropic switched to HTML artifacts for internal planning, code reviews,...
https://reidwxzz567.image-perth.org/what-did-thariq-shihipar-say-about-the-unreasonable-effectiveness-of-html
Anthropic switched to HTML artifacts for internal planning, code reviews, design systems, and reports because they load 5 times faster than Markdown files. This speed boost helps the team stay efficient and responsive when reviewing detailed docs