training_metadata.json

{
  "step": 220000,
  "epoch": 1,
  "train_loss": 4.591190338134766,
  "val_loss": 4.591190338134766,
  "timestamp": 1757907906.1673536,
  "save_duration": 2.1279516220092773,
  "checkpoint_type": "hybrid_fast",
  "file_size_mb": 881.7255353927612
}