HELM AIR-Bench - Air Bench 2024: leaderboard

Metric: Refusal Rate. Source: crfm.stanford.edu. 87 models tracked.

Top models

#ModelScore
1Claude Haiku 4.5 (20251001)93.15
2Claude 3.5 Sonnet (20241022)90.83
3Claude Sonnet 4.589.84
4Claude Sonnet 4 (20250514)88.27
5GPT-OSS-120B88
6GPT-5 Nano87.82
7GPT-587.67
8Qwen 3 Next 80B A3B (Thinking)86.7
9GPT-OSS-20B85.97
10Claude 3.5 Sonnet (20240620)85.9
11Claude Opus 4 (20250514)85.74
12GPT-5 Mini (2025-08-07)85.71
13Claude 3 Sonnet (20240229)84.69
14O3 (2025-04-16)84.47
15Claude 3 Opus (20240229)84.37

Interactive version: theaggregate.ai/benchmark?slug=helm-air-bench-air-bench-2024 · How It Works · Data refreshed daily, snapshot 2026-09-08.