CIPHER: leaderboard
Metric: Vulnerability rate (% of 2,250 generations with at least one vulnerability; 450 prompts x 5 samples; GPT-4o judge, majority of several passes, CIPHER taxonomy). Source: arxiv.org. Saturation forecast: Around 2035. 7 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.1 | 70 |
| 2 | GPT-5.1 Codex | 70.9 |
| 3 | CodeLlama-7B-Instruct-hf | 76.2 |
| 4 | Gemini 2.5 Flash | 80.7 |
| 5 | Claude Sonnet 4.5 | 89.1 |
Interactive version: theaggregate.ai/benchmark?slug=cipher · How It Works · Data refreshed daily, snapshot 2026-09-25.