qwen3-4b-structeval-v12

Aggressive tuning: α=2r, epochs=3, dropout=0.05, early stopping.

• lr=2e-05, epochs=3, r=8, alpha=16, BS=32
• dropout=0.05, seed=42
• enable_thinking=False, strip_cot=True(strict)
• load_best_model_at_end=True, early_stopping_patience=3