VLM-SubtleBench - Synthetic Domain: leaderboard

Metric: Accuracy (%) on the synthetic-domain two-image multiple-choice questions of VLM-SubtleBench's test split (pairs of highly similar images from natural, game, industrial, aerial, synthetic and medical sources); temperature 0.5; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 12 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5 (Thinking)78.8#91 (GPT-5)
2O372.5#121
3GPT-5 Chat63.6#233
4Claude Sonnet 456.3#194
5Qwen 2.5 VL 72B Instruct54.8#364
6Qwen 2.5 VL 32B Instruct53#443
7Gemini 2.5 Pro50.6#145
8GPT-4o45#333
9Qwen 2.5 VL 7B Instruct43.8#643
10Gemini 2.5 Flash43.3#237

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=vlm-subtlebench-synthetic-domain · How It Works · Data refreshed daily, snapshot 2026-10-11.