{
  "model": "my-ai-stack/Stack-4.0-Qwen-3B-Merged",
  "date": "2026-04-26",
  "hardware": "GCP Tesla V100 16GB",
  "training": {
    "final_loss": 0.1411,
    "total_steps": 1000,
    "effective_batch_size": 16,
    "learning_rate": 0.0002,
    "method": "QLoRA \u2192 Merged",
    "trainable_params": "7.3M / 3.1B (0.24%)",
    "training_time": "~10 hours",
    "cost": " GCP spot instance"
  },
  "benchmarks": {
    "hellaswag": {
      "acc_norm": 0.74,
      "acc": 0.52
    },
    "arc_challenge": {
      "acc_norm": 0.52,
      "acc": 0.48
    }
  },
  "coding_sample": "10/10 valid Python"
}