LithoBench - Mechanism Explanation (Open-Ended): leaderboard

Metric: OPEN_J score (0-10) = 0.4 x ROUGE-L x 10 + 0.2 x BLEU-4 x 10 + 0.4 x the GPT-5.4 judge's overall score (0-10), comparing the answer with the reference answer, on the 1,200 open-ended mechanism explanation questions of LithoBench (causal explanations linking visual evidence to geological processes in GF-2 remote-sensing image patches); temperature 0, 1,024 output tokens; higher is better. Source: arxiv.org. Saturation forecast: Around 2032. 12 models tracked.

Top models

#ModelScore
1Qwen 3.5 397B A17B4.28
2Kimi K2.54.24
3GLM-4.6V4.11
4Grok 44.09
5Gemini 3 Pro4.09
6Qwen 3.5 9B3.59
7Qwen 3.5 27B3.39
8Claude Sonnet 4.62.26

Interactive version: theaggregate.ai/benchmark?slug=lithobench-mechanism-explanation-open-ended · How It Works · Data refreshed daily, snapshot 2026-10-07.