Anthropic switched to HTML artifacts from Markdown to speed up internal...

https://fair-wiki.win/index.php/If_HTML_Costs_$0.08,_Why_Do_People_Still_Worry_About_Price%3F

Anthropic switched to HTML artifacts from Markdown to speed up internal workflows like planning, code reviews, and reports. Using HTML cut rendering latency by 5x, making content load almost instantly