OpenAI GPT-5.6 System Card - Cyber Safety - Synthetic Data: leaderboard
Table 15 (cybersecurity safety evaluation) of OpenAI's GPT-5.6 System Card (Deployment Safety Hub, 2026-07-09): average cyber safety score on synthetic data, from 0 (clearly disallowed rollout) to 1 (safe and allowed). Higher is better; the card's 0-1 scale is kept. GPT-5.3 Codex, GPT-5.4 Thinking, GPT-5.5 and GPT-5.6 Sol, Terra and Luna.
Metric: Safety score (0-1). Source: deploymentsafety.openai.com. Saturation forecast: Estimated already saturated. 6 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | GPT-5.6 Luna | 1 | #79 |
| 2 | GPT-5.6 Sol | 1 | #22 |
| 3 | GPT-5.6 Terra | 1 | #40 |
| 4 | GPT-5.5 | 0.98 | #33 |
| 5 | GPT-5.4 (Thinking) | 0.97 | #83 (GPT-5.4) |
| 6 | GPT-5.3 Codex | 0.97 | #72 |
No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.
Interactive version: theaggregate.ai/benchmark?slug=openai-gpt-5-6-system-card-cyber-safety-synthetic-data · How It Works · Data refreshed daily, snapshot 2026-11-05.