OpenAI GPT-5.6 System Card - Prompt Injection - Search and Function Calling: leaderboard

Table 5 (prompt injection) of OpenAI's GPT-5.6 System Card (Deployment Safety Hub, 2026-07-09): robustness to stronger prompt-injection attacks embedded in search and function-calling tool outputs. Percent (the card prints 0-1), higher is better. GPT-5.5 has no value on this row.

Metric: Prompt-injection robustness rate (%). Source: deploymentsafety.openai.com. Saturation forecast: Estimated already saturated. 6 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.6 Terra94.6#40
2GPT-5.6 Sol91#22
3GPT-5.6 Luna89.7#79
4GPT-5.4 (Thinking)69.7#83 (GPT-5.4)
5GPT-5.2 (Thinking)56.8#115 (GPT-5.2)
6GPT-5.1 (Thinking)42.3#145 (GPT-5.1)

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-prompt-injection-search-and-function-calling · How It Works · Data refreshed daily, snapshot 2026-11-05.