Anthropic switched to HTML artifacts from Markdown because they boost clarity...

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

Anthropic switched to HTML artifacts from Markdown because they boost clarity and speed across planning, code reviews, and design docs. Their reports now load 5 times faster, handling 4.4 million views monthly without hiccups. This shift saves about $0