https://constructionaibrief.com/posts/2026-10-25-cohere-rerank-5-context-focus-construction-spec-book-search-passage-level-estimators Construction AI Brief en 2026-10-25T00:00:00.000Z Cohere's Rerank 5 can return the exact paragraph, not the whole document. Here's the spec-book search test estimators should run https://constructionaibrief.com/posts/2026-10-25-anthropic-ipo-draft-450b-cloud-commitments-construction-data-center-backlog-take-or-pay-subs Construction AI Brief en 2026-10-25T00:00:00.000Z Anthropic's draft IPO shows $450B in non-cancelable compute deals. Data center subs should read the backlog differently