Anthropic switched to HTML artifacts because they cut rendering time by 5x...

https://elliottkykp923.yousher.com/is-markdown-only-popular-because-of-the-old-8-192-token-limit-era

Anthropic switched to HTML artifacts because they cut rendering time by 5x compared to Markdown. This means faster code reviews, smoother design system updates, and quicker internal planning. With over 4.4 million views monthly, the switch saves $0