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2025ICLR

MLE-bench: Evaluating Machine Learning Agents on Machine Learning Engineering

Jun Shern Chan, Neil Chowdhury, Oliver Jaffe et al.

What this work does

Packages 75 Kaggle competitions with recreated grading, agent execution environments and leaderboard-derived human reference scores.

Connection to discovery

A practical long-horizon experimentation benchmark with executable outcomes and compute-sensitive comparisons.

Evidence

Inspected competition screening, submission-validity versus score access, solution-use rules and attempts/compute/time ablations.

Scope and limitations

Engineering performance on known competitions is not necessarily novel research. Public solutions and pretrained-data contamination require explicit controls; no new physical measurements are collected.

THE RESEARCH CONVERSATION

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