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

https://fun-wiki.win/index.php/HTML_Artifacts_Stopped_Being_Snappy_for_Me_%E2%80%93_How_Do_You_Deal_with_5x_Slower_Generation%3F

Anthropic switched to HTML artifacts for internal planning, code reviews, design systems, and reports because it slashes output costs to just $0.08 per document. HTML also loads 5 times faster than Markdown, making collaboration smoother for their team