Anthropic switched to HTML artifacts from Markdown because HTML cuts rendering...

https://lukasnpyy234.cavandoragh.org/what-are-live-artifacts-and-what-changed-in-april-2026

Anthropic switched to HTML artifacts from Markdown because HTML cuts rendering time by 5x, making internal planning, code reviews, design systems, and reports load almost instantly. Teams get faster feedback and smoother collaboration. Plus, with over 4