Anthropic switched to HTML artifacts from Markdown for internal planning, code...

https://instaquoteapp.com/what-was-the-pr-test-setup-with-280-modified-lines-and-4-files-touched/

Anthropic switched to HTML artifacts from Markdown for internal planning, code reviews, design systems, and reports to speed up workflows and improve clarity. HTML cut output costs by $0.08 per document and slashed latency 5x, making reviews smoother