Anthropic switched to HTML artifacts for internal planning and reviews because...

https://foxtrot-wiki.win/index.php/Is_HTML_Output_Worth_It_If_I_Mostly_Need_Concise_Content%3F

Anthropic switched to HTML artifacts for internal planning and reviews because they load 5 times faster than Markdown files. This speed boost helps the team move quickly without waiting on slow renders. Plus, their design systems and reports get over 4