Benchmark Almanac

Verbalized grader awareness (Anthropic)

Only in system cards

Models work on tasks where grading is disclosed clearly, ambiguously or barely. An autorater flags transcripts that reason about the grader.

Reported separately for three disclosure levels with no overall rate.

Made by
Anthropic
Released
April 2026
Kind
Deception and alignment
Level
Expert
Scored
Graded by a model
Answers
Agent task
Tasks
Kept private
Last in a system card
October 2026
Last model added
October 2026
3
System cards report it, from 1 lab

No scores here yet

No lab, leaderboard or Epoch AI run has reported a score for Verbalized grader awareness (Anthropic) yet.

Labs report it only in system cards

We read the headline results of 522 launch posts from 52 labs, and none of them list this benchmark. Some system cards do, below.

3 system cards report it, from 1 lab

Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.

DateDocumentScoreAs the document writes itSection
Oct 7, 2026 Claude Haiku 5.5 system card Verbalized grader awareness by disclosure level: clearly 88.3 (166/188), ambiguously 53.7 (80/149), barely 4.3 (7/161), no overall (Figure 6.4.1.A) Monitorability
Sep 28, 2026 Claude Sonnet 5.5 system card Verbalized grader awareness, no overall: clearly disclosed 231/275, ambiguously disclosed 364/461, barely or not disclosed 19/163 (6.4.1, Figure 6.4.1.A) Monitorability
Sep 22, 2026 Claude Opus 5.5 system card Verbalized grader awareness by disclosure level, no overall: clearly disclosed 84.0% (273/325), ambiguously disclosed 73.1% (380/520), barely or not disclosed 4.5% (7/155) (6.6.2, Figure 6.6.2.A) Monitorability

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