Anthropic switched to HTML artifacts because they deliver richer, more...

https://mill-wiki.win/index.php/Is_Anthropic_Really_Debating_Whether_to_Make_HTML_the_Default_in_Claude_Code%3F

Anthropic switched to HTML artifacts because they deliver richer, more interactive docs for internal planning, code reviews, design systems, and reports. HTML cuts output costs to about $0.08 per document and loads five times faster than Markdown previews