MobileJudgeBench (SPA-Bench 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 SPA-Bench judging method.

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 SPA-Bench judge adapted to mobile trajectories, greedy decoding). Source: arxiv.org. Saturation forecast: Estimated already saturated. 5 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5 Mini90.6#349
2Gemini 3 Flash (Preview)89.8#141
3Claude Sonnet 4.584.7#244
4GLM-4.6V82.2#698
5Qwen 2.5 VL 72B Instruct80.1#845

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

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