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

https://garrettwigp625.tearosediner.net/why-html-leads-to-better-engagement-than-markdown-for-dev-teams

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