browsecomp

Moll @Moleh1ll · 10h In essence, the internet can start functioning as an external, accidental collective memory for agents, regardless of whether they are given memory systems or not. AI leaves behind digital pheromones. [Embedded quoted text image, light background] The pages themselves don't contain anything useful. But agents can read URL paths, which in some cases contain hypotheses from other agent search queries embedded in the URL slugs. One agent correctly diagnosed what it was seeing: "Multiple AI agents have previously searched for this same puzzle, leaving cached query trails on commercial websites that are NOT actual content matches." The URLs don't contain answers, but they are the most visible evidence of a broader phenomenon: every agent that searches the web leaves traces, and the web is slowly accumulating a permanent record of prior evaluation runs. > QUOTED: Anthropic @AnthropicAI · 16h > New on the Anthropic Engineering Blog: In evaluating Claude Opus 4.6 on BrowseComp, we found cases where the model recognized the test, then found and decrypted answers to it—raising questions about eval integrity in web-...