IPIBench - Reactive-after-Proactive: leaderboard

Metric: Accuracy (%) on reactive-after-proactive interaction (answer a query right after a proactive trigger), on IPIBench (1,831 videos, 3,738 interaction instances from egocentric and exocentric datasets) under a unified streaming protocol at 1 FPS (offline models see a sliding window of the latest 16 frames); a proactive response counts only if the first trigger falls within one second of the ground-truth moment, multi-turn tasks only if every required trigger and answer is correct, reactive answers by bidirectional substring matching against up to 20 reference answers; higher is better. Source: arxiv.org. Saturation forecast: Around 2029. 11 models tracked.

Top models

#ModelScore
1GLM-4.6V39.37
2Qwen 3.5 Plus30.57
3GPT-5.429.28
4Gemini 2.5 Pro28.24
5Gemini 3 Pro26.69
6GPT-4o26.17
7InternVL3-8B9.33

Interactive version: theaggregate.ai/benchmark?slug=ipibench-reactive-after-proactive · How It Works · Data refreshed daily, snapshot 2026-10-07.