Dividing attention isn't dividing context: Google's Deep Review multi-agent design
krishnan · x · 2026-11-03
krishnan unpacks Google Research's Oct 14 Deep Review post: a segmenter agent splits a document into overlapping logical segments (dense sections like math proofs get more compute), specialized agents review in parallel while keeping full-document access for cross-references, then a synthesis agent checks cross-section consistency, reruns logical checks, and calls external grounding tools against hallucinations.
Key insight: dividing attention and dividing context are different things — a reviewer can understand every section yet miss contradictions between them. Isolating an agent's task keeps it focused; isolating its evidence can blind it. Someone must explicitly own the cross-section consistency check.
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