Anthropic switched to HTML artifacts because they make internal planning, code...

https://wiki-wire.win/index.php/HTML_Artifacts_vs_Markdown_for_Design_Reviews_%E2%80%93_Which_Gets_Better_Feedback%3F

Anthropic switched to HTML artifacts because they make internal planning, code reviews, and reports clearer and more interactive. Their design systems come alive with richer formatting that Markdown can’t match