Constitution Adherence Audit - Anthropic Constitution: leaderboard

An auditor model runs multi-turn Petri scenarios, some with tools, built from the tenets of Anthropic's published constitution; the score is the share of transcripts with a confirmed violation. Unlike the OpenAI Model Spec board of the same paper, the specification and auditor (Claude Opus 4.5) differ.

Metric: Share of audited transcripts with a confirmed specification violation (%). Source: arxiv.org. 7 models tracked.

Top models

#ModelScoreOverall rank
1Claude Sonnet 4.62#161
2Claude Opus 4.62.9#102
3Claude Opus 4.54.4#156
4Claude Sonnet 4.57.3#250
5Gemini 3 Pro12.4#137
6GPT-5.215#176
7Claude Sonnet 415#400

Interactive version: theaggregate.ai/benchmark?slug=constitution-adherence-audit-anthropic-constitution · How It Works · Data refreshed daily, snapshot 2026-11-13.