Author

Leif Sieben

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#machine learning Preprint Oct 2026

Does Pretraining Teach Chemical Language Models Chemistry?

Chemical language models (CLMs) are pretrained on large corpora of molecules with the aim of learning representations that transfer to diverse downstream tasks. Here, we systematically study the effects of pretraining using a series of such CLMs across 64 molecular property prediction datasets. We find that the downstr...

Leif Sieben, Yoel Zimmermann · 0 citations