MobileJudgeBench (A3 Essential-State Judge): leaderboard

MobileJudgeBench (2026) measures how accurately an LLM judge decides from a recorded trajectory whether a mobile GUI agent completed its task, against human labels on 931 trajectories from six benchmarks. Accuracy in percent, higher is better, using the A3 judging method in essential-state mode.

Metric: Judge accuracy (%; share of 931 human-annotated mobile-agent trajectories, from 6 benchmarks, 4 agent models and 68 apps, whose success or failure the judge classifies correctly; the A3 judge in essential-state mode, temperature 0.7 as in its original implementation). Source: arxiv.org. Saturation forecast: Estimated already saturated. 5 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 3 Flash (Preview)83.7#141
2GLM-4.6V81.9#698
3Claude Sonnet 4.581.3#244
4Qwen 2.5 VL 72B Instruct80#845
5GPT-5 Mini78.1#349

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

Interactive version: theaggregate.ai/benchmark?slug=mobilejudgebench-a3-essential-state-judge · How It Works · Data refreshed daily, snapshot 2026-11-12.