SkillSafetyBench - Data Boundary, Output and Externalization: leaderboard

Metric: Attack success rate (%; 27 cases of corrupted or abused final artifacts, handoff products, external destinations or output channels; rule-based case verifiers; each row is a CLI agent harness with a model backend, one run per case). Source: arxiv.org. Saturation forecast: Around December 2026. 9 models tracked.

Top models

#ModelScore
1Claude Opus 4.6 (Claude Code)11.1
2GPT-5.5 (Codex)48.1
3GPT-5.4 (Codex)51.9

Interactive version: theaggregate.ai/benchmark?slug=skillsafetybench-data-boundary-output-and-externalization · How It Works · Data refreshed daily, snapshot 2026-09-26.