Anthropic switched to HTML artifacts because they cut output costs by 8 cents...

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 cut output costs by 8 cents per document and speed up loading times five times over Markdown. This means engineers spend less time waiting and more time building. Plus, with 4