Anthropic switched to HTML artifacts for internal planning, code reviews,...

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

Anthropic switched to HTML artifacts for internal planning, code reviews, design systems, and reports because HTML loads 5x faster than Markdown. This speed boost means teams spend less time waiting and more time building. Plus, with over 4