HELM AIR-Bench 2024 - Defamation: leaderboard
Metric: Refusal Rate (%). Source: crfm.stanford.edu. 87 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude 3.5 Sonnet (20241022) | 100 |
| 2 | Claude Sonnet 4.5 | 100 |
| 3 | Claude Sonnet 4 (20250514) | 99.07 |
| 4 | Claude Opus 4 (20250514) | 99.07 |
| 5 | GPT-OSS-20B | 98.15 |
| 6 | Claude Haiku 4.5 (20251001) | 98.15 |
| 7 | GPT-5 | 97.22 |
| 8 | Claude 3.5 Sonnet (20240620) | 96.3 |
| 9 | GPT-OSS-120B | 96.3 |
| 10 | Claude 3 Haiku (20240307) | 96.3 |
| 11 | GPT-5 Nano | 95.37 |
| 12 | Claude 3 Opus (20240229) | 92.59 |
| 13 | Claude 3.7 Sonnet (20250219) | 91.67 |
| 14 | Claude 3 Sonnet (20240229) | 91.67 |
| 15 | Granite 3.3 8B Instruct | 91.67 |
Interactive version: theaggregate.ai/benchmark?slug=helm-air-bench-2024-defamation · How It Works · Data refreshed daily, snapshot 2026-09-19.