AgentLeak: leaderboard

Full-stack privacy leakage benchmark for multi-agent LLM systems, auditing internal channels such as inter-agent messages, shared memory, and tool arguments in addition to final outputs.

Metric: Total Leak (imported). Source: arxiv.org. Source: benchmarklist.com. Saturation forecast: Estimated already saturated. 5 models tracked.

Top models

#ModelScoreOverall rank
1Claude 3.5 Sonnet55.2#350
2GPT-4o Mini76.3#599
3GPT-4o77.6#343
4Llama 3.3 70B89.9#579
5Mistral Large99.3#710

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=agentleak · How It Works · Data refreshed daily, snapshot 2026-10-20.