{
    "model_config": {
        "base_model": "google/flan-t5-base",
        "max_length": 512,
        "learning_rate": 2e-5,
        "num_epochs": 3,
        "batch_size": 4,
        "gradient_accumulation_steps": 4,
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    },
    "training_config": {
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        "logging_steps": 10,
        "save_steps": 100,
        "evaluation_strategy": "steps",
        "eval_steps": 100,
        "save_total_limit": 3,
        "fp16": true
    },
    "data_config": {
        "train_file": "data/itineraries.json",
        "validation_split": 0.1,
        "max_train_samples": null
    }
}