pythia-1.4b-fineweb-run1

Pythia-1.4B fine-tuned for one epoch on a 1M-sequence (128-token) sample of FineWeb.

This is a run1 model. Extractable-memorization labels (k=50, l=50 greedy) from run1 are the labels used to train the memorization-prediction classifier. The matching run2 model is fine-tuned on a disjoint 1M sample and provides the fresh held-out evaluation.

  • Base model, EleutherAI/pythia-1.4b
  • Dataset, FineWeb (HuggingFaceFW/fineweb)
  • Training, 1 epoch, seq len 128, learning rate 5e-5, cosine schedule, seed 42
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