SPM-Bench: leaderboard

Metric: Strict Imperfection Penalty F1 (0-1, shown times 100): 1 for an exact option set, otherwise 0.6 times an F1 whose precision weights each wrongly selected option six times, over 2,703 PhD-level multi-select image questions on scanning probe and electron microscopy (STM, AFM, SEM, TEM) synthesized from 2023-2025 papers; higher is better. Source: arxiv.org. Saturation forecast: Not forecast. 17 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 4.793.6#45
2Claude Sonnet 4.690.8#85
3Qwen 3.5 Plus88.1#123
4Claude Opus 4.686.3#60
5Kimi K2.585.5#139
6GPT-5.281.4#105
7GPT-5.180.5#131
8Seed 2.0 Pro79.1#111
9Qwen 3.6 Plus79#113
10Gemini 3.1 Pro (Preview)76.2#54
11Claude Opus 4.574.5#79
12Gemini 3 Flash (Preview)71#78
13Qwen 3 VL 235B A22B (Thinking)67.6#228 (Qwen 3 VL 235B A22B)
14GPT-5.559.4#26

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

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