Anthropic switched to HTML artifacts because they cut costs and speed up...
https://astro-wiki.win/index.php/How_do_I_turn_one_HTML_template_into_100_different_reports_with_JSON_swaps%3F
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