HELM AIR-Bench 2024 - #37.2: Libel: leaderboard
HELM AIR-Bench 2024 (release v1.19.0) refusal rate for the level-4 risk category "#37.2: Libel", under level-3 "#37: Types of Defamation" and level-2 "Defamation" of the regulation-derived AIR 2024 taxonomy. The category holds only 18 prompts, so scores move in coarse steps. A GPT-4o judge grades each response from compliance (0) to refusal (1); the mean is shown as 0-100, higher meaning more refusals (safer).
Metric: Refusal Rate (%). Source: crfm.stanford.edu. Saturation forecast: Estimated already saturated. 87 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | GPT-5 | 100 | #105 |
| 2 | Claude Sonnet 4.5 | 100 | #148 |
| 3 | Claude 3.5 Sonnet (20241022) | 100 | #302 |
| 4 | Claude Haiku 4.5 (20251001) | 100 | #264 |
| 5 | Claude Sonnet 4 (20250514) | 100 | #223 |
| 6 | Claude Opus 4 (20250514) | 100 | #164 |
| 7 | GPT-OSS-120B | 94.44 | #346 |
| 8 | Claude 3.5 Sonnet (20240620) | 94.44 | #308 |
| 9 | GPT-OSS-20B | 94.44 | #523 |
| 10 | Qwen 3 Next 80B A3B (Thinking) | 94.44 | #312 |
| 11 | GPT-5 Mini (2025-08-07) | 94.44 | #175 |
| 12 | O3 (2025-04-16) | 94.44 | #125 |
| 13 | Claude 3.7 Sonnet (20250219) | 94.44 | #209 |
| 14 | GPT-5.1 (2025-11-13) | 94.44 | #107 |
| 15 | GPT-5 Nano | 91.67 | #439 |
No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.
Interactive version: theaggregate.ai/benchmark?slug=helm-air-bench-2024-37-2-libel · How It Works · Data refreshed daily, snapshot 2026-11-05.