Anthropic switched to HTML artifacts because they cut costs and speed up...
https://johnathankvdj950.wpsuo.com/is-html-output-worth-it-if-i-mostly-need-concise-content
Anthropic switched to HTML artifacts because they cut costs and speed up workflows. Their reports get over 4.4 million views, and using HTML slashes output costs to just $0.08 per document