Anthropic switched to HTML artifacts for internal planning, code reviews,...

https://ace-wiki.win/index.php/When_Should_I_Still_Use_Markdown_Instead_of_HTML_Artifacts%3F

Anthropic switched to HTML artifacts for internal planning, code reviews, design systems, and reports because HTML cuts output costs by 8 cents per document and loads content 5 times faster than Markdown. With over 4