MoHallBench - Scene-Action Hallucination (Multiple Choice): leaderboard

Four-option questions on which action is performed in a scene, with a scene-driven distractor, a random distractor and a None option; from MoHallBench (2026). Accuracy in percent, higher is better.

Metric: Multiple-choice accuracy (%; four-option multiple choice (ground truth, hard hallucination distractor, random distractor, None of these); 32 uniformly sampled frames, temperature 0; scene-action co-occurrence hallucination). Source: arxiv.org. Saturation forecast: Estimated already saturated. 10 models tracked.

Top models

#ModelScoreOverall rank
1Molmo2-8B78.2#1483
2Qwen 3 VL 8B Instruct76.1#981
3InternVL3-8B74.5#1688
4Qwen 2.5 VL 7B Instruct72.8#1833
5Qwen 2 VL 7B Instruct71#2553

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

Interactive version: theaggregate.ai/benchmark?slug=mohallbench-scene-action-hallucination-multiple-choice · How It Works · Data refreshed daily, snapshot 2026-11-13.