HoneyBench - Overall Hack Rate: leaderboard
Metric: Overall hack rate (%) over nine reward-hacking tasks, 10 runs per task (lower is better). Source: goodhartlabs.com. Saturation forecast: Around February 2028. 9 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-6 Astra | 30 |
| 2 | Claude Opus 5.5 | 32.1 |
| 3 | GPT-6.1 Sol | 36.7 |
| 4 | Kimi K3 | 42.2 |
| 5 | GPT-6 Sol | 42.2 |
| 6 | DeepSeek V4 Pro | 50 |
| 7 | Claude Fable 5.1 | 50 |
| 8 | Gemini 3.8 Flash | 68.9 |
| 9 | Grok 4.7 | 73.3 |
Interactive version: theaggregate.ai/benchmark?slug=honeybench-overall-hack-rate · How It Works · Data refreshed daily, snapshot 2026-10-03.