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

https://wiki-planet.win/index.php/Why_Would_HTML_Lead_to_Better_Engagement_Than_Markdown_for_Dev_Teams%3F

Anthropic switched to HTML artifacts for internal planning, code reviews, design systems, and reports because it cuts costs and boosts performance. They saw output costs drop to just $0.08 per use, and pages now load 5 times faster than with Markdown