Anthropic switched to HTML artifacts from Markdown because it cut output costs...
https://dantevrib041.fotosdefrases.com/how-do-i-pitch-html-artifacts-to-a-team-that-s-standardized-on-markdown
Anthropic switched to HTML artifacts from Markdown because it cut output costs by 92%, saving about $0.08 per page. HTML also loads 5 times faster, making internal planning, code reviews, design systems, and reports smoother for the whole team