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The LLM Judge Was Demoted to Adviser

PROCTOR makes deterministic checks outrank the model grading an agent's self-improvement.

Published Updated Story ID: mp-2026-09-03-018
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Summary

PROCTOR makes deterministic checks outrank the model grading an agent's self-improvement.

The authors catalog eleven evaluation failures, including a perfect score that hid 68% true capability after cached answers leaked. Their proposed roles, sandboxes, holdouts and canaries are production case-study lessons, not a universal benchmark.

Why it matters

PROCTOR makes deterministic checks outrank the model grading an agent's self-improvement.

Limits and context

  • Their proposed roles, sandboxes, holdouts and canaries are production case-study lessons, not a universal benchmark.

Key claims

  1. PROCTOR makes deterministic checks outrank the model grading an agent's self-improvement.

    Qualification: Their proposed roles, sandboxes, holdouts and canaries are production case-study lessons, not a universal benchmark.

    Evidence: source-2026-09-03-020

Sources

  1. arXiv preprint 2609.02246arXiv · primary research

Corrections

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