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Pre-training on FineWeb 124M Transformer (val)

2.1Training Time to Loss 3.28 (min)Best Human Expert
0.7489.8741928.126Jan 20, 2026

Evaluation results

MethodLinks
Best Human Expertparameters=124M, target_loss=3.282026.012.1
Execution-Guided Searchparameters=124M, target_loss=3.282026.0119.7
Baselinemodel_type=nanoGPT, parameters=124M, target_loss=3.282026.0135.9