Anthropic switched to HTML artifacts from Markdown because it cuts rendering...

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 from Markdown because it cuts rendering latency by 5x, making internal planning, code reviews, design systems, and reports feel instantly responsive. With over 4