Anthropic switched to HTML artifacts for internal planning, code reviews,...
https://domgodwinson38.gumroad.com/p/how-do-i-decide-between-mermaid-diagrams-and-html-tables-inside-an-artifact
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