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

https://www.mikegingerich.com/blog/anthropic-adopts-html-over-markdown-for-workflows/

Anthropic switched to HTML artifacts because they make internal planning, code reviews, design systems, and reports faster and clearer. Compared to Markdown, HTML cuts output time by 80% and handles 4.4 million views smoothly without slowing down