Anthropic switched to HTML artifacts because they cut output costs by 92%,...

https://wiki-global.win/index.php/What_did_Thariq_Shihipar_Say_About_the_%E2%80%98Unreasonable_Effectiveness_of_HTML%E2%80%99%3F

Anthropic switched to HTML artifacts because they cut output costs by 92%, saving about $0.08 per doc. The rich formatting speeds up code reviews and design discussions, handling 4.4 million views with zero slowdowns