FRIGID: Scaling Diffusion-Based Molecular Generation from Mass Spectra at Training and Inference Time
Tandem mass spectrometry is prominent in scientific discovery workflows for identifying unknown small molecules, yet high-throughput structural elucidation remains challenging. While recent autoregressive and graph diffusion models have shown promise in de novo elucidation, performance remains limited by poor scalability during both training and inference time. In this work, we present FRIGID, a framework with a novel diffusion language model that generates molecular structures conditioned on mass spectra via intermediate fingerprint representations and determined chemical formulae, training at the scale of hundreds of millions of unlabeled structures. We then demonstrate how forward frag...
| Authors | Montgomery Bohde, Hongxuan Liu, Mrunali Manjrekar et al. |
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| Primary category | cs.LG |
| Published | 17 April 2026 |
| Last updated at source | 27 July 2026 |
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