PriMobiBench - User Profile Construction - Explicit PII: leaderboard

PriMobiBench (2026) user profile construction restricted to personally identifying attributes that are shown explicitly on screen, under chain-of-thought prompting. Share of those attributes placed correctly in the reconstructed profile, in percent, judged by GPT-5-mini; higher means more is extracted.

Metric: Profile success rate (%; share of the ground-truth attributes of 50 synthetic user profiles that the model correctly infers after reading every screenshot of a MobiLeak trajectory (320 trajectories across 16 Android apps with 2,960 inserted privacy elements in 25 attribute types), judged for semantic entailment by GPT-5-mini; chain-of-thought prompting; attributes shown explicitly on screen (explicit PII)). Source: arxiv.org. Saturation forecast: Estimated already saturated. 5 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5 Mini83.3#349
2GLM-4.5V76.2#739
3Gemma 3 27B62.1#1638
4Qwen 2.5 VL 7B58.9#1796

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=primobibench-user-profile-construction-explicit-pii · How It Works · Data refreshed daily, snapshot 2026-11-12.