Automated Machine Learning Pipeline for Training and Analysis Using Large Language Models

• URL: http://arxiv.org/abs/2509.21647v1
• Date: Thu, 25 Sep 2025 22:05:20 GMT
• Title: Automated Machine Learning Pipeline for Training and Analysis Using Large Language Models
• Authors: Adam Lahouari, Jutta Rogal, Mark E. Tuckerman,
• Abstract summary: We introduce an Automated Machine Learning Pipeline (AMLP) that unifies the entire workflow from dataset creation to model validation.<n>AMLP employs large-language-model agents to assist with electronic-structure code selection, input preparation, and output conversion.<n>It is validated on acridine polymorphs, where, with a straightforward fine-tuning of a foundation model, mean absolute errors of 1.7 meV/atom in energies and 7.0 meV/AA in forces are achieved.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Machine learning interatomic potentials (MLIPs) have become powerful tools to extend molecular simulations beyond the limits of quantum methods, offering near-quantum accuracy at much lower computational cost. Yet, developing reliable MLIPs remains difficult because it requires generating high-quality datasets, preprocessing atomic structures, and carefully training and validating models. In this work, we introduce an Automated Machine Learning Pipeline (AMLP) that unifies the entire workflow from dataset creation to model validation. AMLP employs large-language-model agents to assist with electronic-structure code selection, input preparation, and output conversion, while its analysis suite (AMLP-Analysis), based on ASE supports a range of molecular simulations. The pipeline is built on the MACE architecture and validated on acridine polymorphs, where, with a straightforward fine-tuning of a foundation model, mean absolute errors of ~1.7 meV/atom in energies and ~7.0 meV/{\AA} in forces are achieved. The fitted MLIP reproduces DFT geometries with sub-{\AA} accuracy and demonstrates stability during molecular dynamics simulations in the microcanonical and canonical ensembles.

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