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

https://fernandowehn083.timeforchangecounselling.com/if-html-costs-0-08-why-do-people-still-worry-about-price

Anthropic switched to HTML artifacts because they cut review time by 5x compared to Markdown. HTML lets teams build richer, interactive content for planning, design, and reports without messy formatting. With over 4