The limits of bio-molecular modeling with large language models: a cross-scale evaluation
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ID: 322496
2026
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Abstract
MOTIVATION: The modeling of bio-molecular system across molecular scales remains a central challenge in scientific research. Large language models (LLMs) are increasingly applied to bio-molecular discovery, yet systematic evaluation across multi-scale biological problems and rigorous assessment of their tool-augmented capabilities remain limited. RESULTS: We reveal a systematic gap between LLM performance and mechanistic understanding through the proposed cross-scale bio-molecular benchmark: BioMol-LLM-Bench, a unified framework comprising 26 downstream tasks that covers 4 distinct difficulty levels, and computational tools are integrated for a more comprehensive evaluation. Evaluation on 13 representative models reveals 4 benchmark-specific observations: chain-of-thought-style training does not consistently improve performance on the evaluated biological tasks; the evaluated hybrid mamba-attention model shows strong performance on long bio-molecular sequence tasks; supervised fine-tuned models show task-specific specialization with reduced performance in some general settings; and current LLMs perform better on classification tasks than on challenging regression tasks under this benchmark setting. AVAILABILITY: Source code is available at https://github.com/AI-HPC-Research-Team/BioMol-LLM-Bench. SUPPLEMENTARY INFORMATION: Supplementary data are available at Bioinformatics online.
| Reference Key |
openalex_W7170421984
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|---|---|
| Authors | Yaxin Xu, Y Zhou, Tianyu Zhao, Zhengyu Ma, Fengwei An, Zhixiang Ren |
| Journal | BMC Bioinformatics |
| Year | 2026 |
| DOI |
10.1093/bioinformatics/btag550
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| URL | |
| Keywords | Keywords not found |
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