LongVQUBench - Open-Ended Completeness: leaderboard

Open-ended video quality questions of LongVQUBench (2026): a GPT-5 judge rates how fully each answer captures the key information of the expert reference from 0 to 1, averaged over the three levels. Reported in percent, higher is better.

Metric: Completeness score (%; how fully the answer captures the key information of the reference answer; GPT-5 judge score of each free-form answer against the expert reference answer, rated 0 to 1 and averaged over the local, cross-event and global levels, reported in percent; open-ended questions of the 60% held-out test split, same frame budgets as the multiple-choice runs). Source: arxiv.org. Saturation forecast: Around January 2028. 10 models tracked.

Top models

#ModelScoreOverall rank
1GPT-545.8#167
2Qwen 3 VL 8B Instruct39.2#981
3Qwen-VL-Max38.1#1222

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

Interactive version: theaggregate.ai/benchmark?slug=longvqubench-open-ended-completeness · How It Works · Data refreshed daily, snapshot 2026-11-13.