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

https://www.slideserve.com/aaron_ward92/what-s-a-practical-html-artifact-layout-for-a-code-review-with-3-findings

Anthropic switched to HTML artifacts for internal planning, code reviews, design systems, and reports because HTML loads 5 times faster and handles complex layouts better than Markdown. This boost means teams spend less time waiting and more time building