config.json

{
  "architecture": "EnsembleAIDetector",
  "model_type": "ai-image-detector",
  "backbone_siglip": "google/siglip2-so400m-patch14-384",
  "backbone_dinov2": "vit_large_patch14_dinov2.lvd142m",
  "image_size": 392,
  "siglip_dim": 1152,
  "dinov2_dim": 1024,
  "combined_dim": 2176,
  "classifier_hidden_dim": 512,
  "classifier_dropout": 0.3,
  "lora": {
    "rank": 32,
    "alpha": 64,
    "dropout": 0.1,
    "siglip_target_modules": [
      "q_proj",
      "v_proj"
    ],
    "dinov2_target_modules": [
      "qkv"
    ]
  },
  "training": {
    "dataset": "OpenFake (shards 0-14)",
    "epochs": 4,
    "batch_size": 16,
    "learning_rate": 0.0002,
    "best_auc": 0.9997499999999999,
    "best_step": 2000
  },
  "labels": {
    "0": "real",
    "1": "ai-generated"
  }
}