ML2B: Multi-Lingual ML Benchmark For AutoML

• URL: http://arxiv.org/abs/2509.22768v2
• Date: Mon, 06 Oct 2025 14:53:27 GMT
• Title: ML2B: Multi-Lingual ML Benchmark For AutoML
• Authors: Ekaterina Trofimova, Zosia Shamina, Maria Selifanova, Artem Zaitsev, Remi Savchuk, Maxim Minets, Daria Ozerova, Emil Sataev, Denis Zuenko, Andrey E. Ustyuzhanin,
• Abstract summary: We present ML2B, the first benchmark for evaluating multilingual machine learning code generation.<n>For evaluation, we employ AIDE, an automated framework for end-to-end assessment of data science pipelines.<n>Results reveal substantial 15-45% performance degradation on non-English tasks.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Large language models (LLMs) have recently demonstrated strong capabilities in generating machine learning (ML) code, enabling end-to-end pipeline construction from natural language instructions. However, existing benchmarks for ML code generation are mainly restricted to English, overlooking the global and multilingual nature of ML research and practice. To address this gap, we present ML2B, the first benchmark for evaluating multilingual ML code generation. ML2B consists of 30 Kaggle competitions translated into 13 natural languages, covering tabular, text, and image data types, with structured metadata and validated human-reviewed translations. For evaluation, we employ AIDE, an automated framework for end-to-end assessment of data science pipelines, and provide insights into cross-lingual model performance. Our results reveal substantial 15-45% performance degradation on non-English tasks, highlighting critical challenges in multilingual representation learning for code generation. The benchmark, evaluation framework, and comprehensive results are made available through our GitHub repository to facilitate future research in multilingual ML code generation: https://github.com/enaix/ml2b.

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