From Reuse the work. Verify the result.Issue published Sep 4, 2026

Stop paying to check the same evidence twice.

Published September 2, 2026Read first

What it saysWhen comparing systems that find documents, many results overlap. This method saves earlier judgments and reviews only new documents, then compares every system using the updated shared collection.

Why it mattersEach round of testing can make the next round cheaper.

Try thisCompare the documents returned by two search versions.

How to use it

Suggested steps

  1. Compare the documents returned by two search versions.
  2. Keep earlier judgments when the document and scoring rule are unchanged.
  3. Judge the new documents; compare both versions on the shared collection.
What needs a fresh review?Conceptual explanation · Evals Weekly
CheckWhat to look for
Same document, same ruleReuse the judgment
New document or changed ruleReview again

Keep in mind Recheck judgments when the content or quality rule changes. Report uncertainty around close results.

A quick check for yourself

What is the practical lesson?

Show answer

Each round of testing can make the next round cheaper.

Source & why it’s here

Incremental Pooled LLM Evaluation (opens in a new tab)

Original issue reading order, preserved from the archive.