Anthropic switched from Markdown to HTML artifacts for planning, reviews, and...

https://zaneznae304.lucialpiazzale.com/what-s-the-best-way-to-test-html-vs-markdown-token-usage-fairly

Anthropic switched from Markdown to HTML artifacts for planning, reviews, and docs to speed up collaboration and boost clarity. Their HTML workflows handle 4.4 million views smoothly, cutting output costs to just $0.08 per artifact