{
  "model_name": "vinai/phobert-base-v2",
  "max_length": 128,
  "batch_size": 16,
  "learning_rate": 2e-05,
  "weight_decay": 0.01,
  "epochs": 5,
  "val_ratio": 0.1,
  "random_seed": 42,
  "num_classes": 3,
  "grad_accum_steps": 2
}