HCSU - Stone Rubbings: leaderboard

The stone-rubbing (Bei) domain of HCSU (Tongji University, 2026): accuracy in percent at picking which of 8 candidate calligraphers wrote a character taken from a stele rubbing, with one correct candidate and seven distractors. Chance is 12.5; higher is better.

Metric: Accuracy (%) on stone-rubbing (Bei) character images, 8-way controlled candidate selection: identify which of 8 calligraphers (1 correct, 7 distractors, each with a style description and reference image) wrote a target character image, temperature 0.1; chance 12.5; higher is better. Source: arxiv.org. Saturation forecast: Around January 2028. 9 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.235.32#176
2Claude Sonnet 4.534.26#250
3Qwen 3 VL 235B A22B Instruct34.1#522
4GPT-4o32.26#741
5Gemini 2.5 Pro31.49#266
6Qwen 2.5 VL 72B Instruct26.6#846
7Qwen 3 VL 30B A3B Instruct23.42#871
8Qwen 2.5 VL 7B Instruct21.27#1833

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

Interactive version: theaggregate.ai/benchmark?slug=hcsu-stone-rubbings · How It Works · Data refreshed daily, snapshot 2026-11-13.