Search

anthropic.com › engineering › eval-awareness-browsecomp

Eval awareness in Claude Opus 4.6’s BrowseComp performance

… For example, a site will take a query like “anonymous 8th grade first blog post exact date october 2006 anxiety attack watching the ring” and create a page at retailer .com/market/anonymous 8th grade first blog post exact date … with a valid HTML title and a 200 status code. …

Mar 6, 2026

anthropic.com › research › project-vend-1

Project Vend: Can Claude run a small shop? (And why does that matter?)

… Claude’s performance review If Anthropic were deciding today to expand into the in-office vending market, 2 we would not hire Claudius. As we’ll explain, it made too many mistakes to run the shop successfully. …

Jun 27, 2025