Anthropic switched to HTML artifacts because they cut output costs by $0.08 per...

https://wiki-dale.win/index.php/How_Do_You_Color-Code_Findings_by_Severity_in_a_Claude_HTML_Review%3F

Anthropic switched to HTML artifacts because they cut output costs by $0.08 per use and handle 4.4 million views smoothly. HTML makes internal planning, code reviews, design systems, and reports clearer and easier to navigate