PolyBench - Conceptual Knowledge: leaderboard

Open-ended questions on core polymer science principles and on how polymer structure relates to function, from PolyBench (Mohanty et al., Stony Brook University, 2026), scored 1-7 by a GPT-OSS-20B judge. Higher is better. Models suffixed PolyBench are the authors' fine-tunes on the benchmark's training split.

Metric: LLM-Judge Score (1-7 Likert; GPT-OSS-20B judge, open-ended answers). Source: arxiv.org. Saturation forecast: Around February 2027. 21 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.46.38#121
2Claude Sonnet 4.65.8#158
3Phi-45.67#1920
4GPT-4o5#741

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

Interactive version: theaggregate.ai/benchmark?slug=polybench-conceptual-knowledge · How It Works · Data refreshed daily, snapshot 2026-11-12.