We put together a prompting guide for Claude Opus 4.5 based on extensive internal testing by our research and applied AI teams. Here's what we've learned so far about getting the best results:
Ranked by when the bookmark was saved during this London date range. Saves means the post's public bookmark count on X, not saves on this site. Metrics are X's latest public counts; older items can be stale once they leave the recent-bookmarks sync window.